Dataset from an observational cohort study of heat stress in pregnant farmers in The Gambia – Data Codebook

Permanent identifier

10.17037/DATA.00003390

Description

An anonymised dataset of 92 pregnant farmers who gave informed consent to participate in an observational study of heat stress, heat strain and fetal strain in West Kiang, The Gambia between August 2019 – March 2020. Dataset contains variables on socio-demographic information, past medical history, heat exposure, physiological measurements, and pregnancy outcome data.

hourly_heat_preg_data codebook

Variable name Variable label Answer label Answer code Variable type
Participant_ID Unique identifier     String
shift visit number     Numeric
    Visit 1 1  
    Visit 2 2  
hou_time time of observations taken hh mm ss   Numeric
hou_rains Rain     Numeric
    Yes 1  
    No 0  
hou_airvelocity wind speed in m/s     Numeric
hou_airtemp air temperature (Celcius)     Numeric
hou_humidity relative humidity (%)     Numeric
hou_blackglobetemp black globe temperature (Celcius)     Numeric
mat_righttymptemp1 right tympanic temperature (celcius)     Numeric
mat_lefttymptemp1 left tympanic temperature (celcius)     Numeric
mat_righttymptemp2 right tympanic temperature repeat (celcius)     Numeric
mat_lefttymptemp2 left tympanic temperature repeat (celcius)     Numeric
Height height in cm     Numeric
Weight weight in kg     Numeric
M metabolic equivalent     Numeric
SKT skin temperature from chest monitor     Numeric
HR heart rate from chest monitor     Numeric

heat_preg_data

Variable name Variable label Answer label Answer code Variable type
Participant_ID Unlinked unique identifier     String
wlk_temp temperature during 6 minute walk test in Celcius     Numeric
wlk_humid relative humidity during 6 minute walk test     String
wlk_distance distance completed during 6 minute walk test in metres     String
ant_weight Weight in kg at start of day     String
ant_height Height in cm at start of day     String
ant_muac1 mid-upper-arm circumference in cm     String
ant_muac2 repeat mid-upper-arm circumference in cm     String
ant_tricepsft1 triceps skinfold thickness in mm     String
ant_bicepsft1 bicepts skinfold thickness in mm     String
ant_subscapsft1 subscapular skinfold thickness in mm     String
ant_tricepsft2 repeat triceps skinfold thickness in mm     String
ant_bicepsft2 repeat biceps skinfold thickness in mm     String
ant_subscapsft2 repeat subscapular skinfold thickness in mm     String
ant_tricepsft3 repeat triceps skinfold thickness in mm     String
ant_bicepsft3 repeat biceps skinfold thickness in mm     String
ant_subscapsft3 repeat subscapular skinfold thickness in mm     String
ant_bmr Basal Metabolic Rate as estimated from Tanita at beginning of day     String
ant_fatpercent Percentage fat mass at beginning of day     String
ant_fatmass Fat mass at beginning of day     String
ant_ffm Fat-free mass at beginning of day     String
ant_tbw Total body water (%) beginning of day     String
ant_impedance Total impedance beginning of day     String
ant_rlimpedance Right leg impedance beginning of day     String
ant_llimpedance Left leg impedance beginning of day     String
ant_raimpedance Right are impedance beginning of day     String
ant_laimpedance Left arm impedance beginning of day     String
ant_weightE Weight in KG at end of day     String
ant_bmrE Basal Metabolic rate at end of day     String
ant_fatpercentE Percentage fat mass at end of day     String
ant_fatmassE Fat mass at end of day     String
ant_ffmE Fat-free mass at end of day     String
ant_tbwE Total body water (%) end of day     String
ant_impedanceE Total impdeance end of day     String
ant_rlimpedanceE Right leg impedance end of day     String
ant_llimpedanceE Left leg impedance end of day     String
ant_raimpedanceE Right arm impedance end of day     String
ant_laimpedanceE Left arm impedance end of day     String
cam_chesttemp_1 chest skin temperature from non-contact thermometer at start of day     String
cam_chesttemp_2 chest skin temperature from non-contact thermometer at middle of working shift     String
cam_chesttemp_3 chest skin temperature from non-contact thermometer at end of day     String
cam_triceptemp_1 mid-arm skin temperature from non-contact thermometer at start of day     String
cam_triceptemp_2 mid-arm skin temperature from non-contact thermometer at middle of working shift     String
cam_triceptemp_3 mid-arm skin temperature from non-contact thermometer at end of day     String
cam_thightemp_1 mid-thigh skin temperature from non-contact thermometer at start of day     String
cam_thightemp_2 mid-thigh skin temperature from non-contact thermometer at middle of working shift     String
cam_thightemp_3 mid-thigh skin temperature from non-contact thermometer at end of working shift     String
cam_calftemp_1 calf skin temperature from non-contact thermometer at start of day     String
cam_calftemp_2 calf skin temperature from non-contact thermometer at middle of working shift     String
cam_calftemp_3 calf skin temperature from non-contact thermometer at end of working shift     String
per_comfort_1 thermal comfort at middle of working shift on a sliding scale 0-100 where 0= very uncomfortable and 100 = very comfortable     String
    Very uncomfortable 0  
    Very comfortable 100  
per_comfort_2 thermal comfort at end of working shift on a sliding scale 0-100 where 0=very uncomfortable and 100= very comfortable     String
    Very uncomfortable 0  
    Very comfortable 100  
per_sensation_1 thermal sensation at middle of working shift     String
    unbearably hot 1  
    very hot 2  
    hot 3  
    neutral 4  
    cool 5  
    cold 6  
    very cold 7  
    unbearably cold 8  
per_sensation_2 thermal sensation at end of working shift     String
    unbearably hot 1  
    very hot 2  
    hot 3  
    neutral 4  
    cool 5  
    cold 6  
    very cold 7  
    unbearably cold 8  
per_thirst_1 sensation of thirst at middle of working shift     String
    very, very thirsty 1  
    very thirsty 2  
    thirsty 3  
    not thirsty 4  
    not thirsty 5  
per_thirst_2 sensation of thirst at end of working shift     String
    very, very thirsty 1  
    very thirsty 2  
    thirsty 3  
    not thirsty 4  
    not thirsty 5  
per_rpe_1 rating of perceived exertion at middle of working shift     String
    Resting 1  
    Really easy 2  
    Easy 3  
    Moderate 4  
    Sort of hard 5  
    Hard 6  
    Harder 7  
    Really hard 8  
    Very very hard 9  
    Max exertion 10  
per_rpe_2 rating of perceived exertion at end of working shift     String
    Resting 1  
    Really easy 2  
    Easy 3  
    Moderate 4  
    Sort of hard 5  
    Hard 6  
    Harder 7  
    Really hard 8  
    Very very hard 9  
    Max exertion 10  
per_headache_1 Headache middle of working shift     String
    Yes 1  
    No 0  
    NA Not applicable  
per_headache_2 Headache end of working shift     String
    Yes 1  
    No 0  
    NA Not applicable  
per_nausea_1 Nausea middle of working shift     String
    Yes 1  
    No 0  
    NA Not applicable  
per_nausea_2 Nausea end of working shift     String
    Yes 1  
    No 0  
    NA Not applicable  
per_vomitting_1 Vomiting middle of working shift     String
    Yes 1  
    No 0  
    NA Not applicable  
per_vomitting_2 Vomiting end of working shift     String
    Yes 1  
    No 0  
    NA Not applicable  
per_dizziness_1 Dizziness middle of working shift     String
    Yes 1  
    No 0  
    NA Not applicable  
per_dizziness_2 Dizziness end of working shift     String
    Yes 1  
    No 0  
    NA Not applicable  
per_weakness_1 Muscle weakness middle of working shift     String
    Yes 1  
    No 0  
    NA Not applicable  
per_weakness_2 Muscle weakness end of working shift     String
    Yes 1  
    No 0  
    NA Not applicable  
per_irritability_1 Irritability middle of working shift     String
    Yes 1  
    No 0  
    NA Not applicable  
per_irritability_2 Irritability end of working shift     String
    Yes 1  
    No 0  
    NA Not applicable  
per_drymouth_1 Dry mouth middle of working shift     String
    Yes 1  
    No 0  
    NA Not applicable  
per_drymouth_2 Dry mouth end of working shift     String
    Yes 1  
    No 0  
    NA Not applicable  
per_musclecramps_1 Muscle cramps middle of working shift     String
    Yes 1  
    No 0  
    NA Not applicable  
per_musclecramps_2 Muscle cramps end of working shift     String
    Yes 1  
    No 0  
    NA Not applicable  
bpr_hr_1 Heart rate from blood pressure machine middle of working shift (bpm)     String
bpr_hr_2 Heart rate from blood pressure machine end of working shift (bpm)     String
bpr_sbp_1 systolic blood pressure middle of working shift     String
bpr_sbp_2 systolic blood pressure end of working shift     String
bpr_dbp_1 diastolic blood pressure middle of working shift     String
bpr_dbp_2 diastolic blood pressure end of working shift     String
Tmax Maximum tympanic temperature recorded     String
TBS Tympanic temperature at baseline     String
visit field visit number     String
    First visit 1  
    Second visit 2  
dem_edulevel Level of schooling     String
    college/university 1  
    senior secondary 2  
    upper basic 3  
    junior secondary 4  
    lower basic 5  
    nursery 6  
    quoranic 7  
    madras 8  
    Other 9  
    None 10  
soc_occupation Occupation of participant     String
    Farmer 1  
    craftsman 2  
    tradesman 3  
    employed 4  
    retired 5  
    other 6  
soc_husoccupation occupation of husband of participant     String
    Farmer 1  
    craftsman 2  
    tradesman 3  
    employed 4  
    retired 5  
    other 6  
soc_water access to water at home     String
    open public well 1  
    open well in compound 2  
    protected public well 3  
    protected well in compound 4  
    public tap 5  
    piped water to compound 6  
    piped water to dwelling 7  
soc_sanitation access to toilet facilities at home     String
    fluch toilet 1  
    ventilated improved pit latrine (VIP) 2  
    traditional pit latrine 3  
    no facility/bush/other households 4  
soc_cooking fuel used for cooking     String
    firewood 1  
    charcoal 2  
    gas 3  
    other 4  
soc_roof type of roof at home     String
    natural/unfinished 1  
    iron sheets 2  
    tiles 3  
    cement 4  
    other 5  
soc_walls type of walls at home     Numeric
    grass/krinting/mud/unfinished 1  
    corregated iron sheets 2  
    cement 3  
    covered adobe 4  
    other 5  
soc_windows Number of windows     Numeric
soc_screenwindows Windows are screened     Numeric
    No 0  
    Yes 1  
soc_eaves Eaves     Numeric
    Open 1  
    Closed 2  
    Screened 3  
soc_airco Air conditioning available at home     Numeric
    Yes 0  
    No 1  
soc_tobacco smoking status     Numeric
    never 1  
    ex-smoker 2  
    current smoker <20/day 3  
    current smoker >20/day 4  
soc_alcohol drink alcohol     Numeric
    Never 1  
    Ex-user 2  
    Currently drinking 3  
soc_recreadrug recreational drug use     Numeric
    Never 1  
    Ex-user 2  
    Currently using 3  
obs_gravida Total number of times pregnant including this pregnancy (including abortion, miscarriage, stillbirths)     Numeric
obs_parity Total number of pregnancies that have reached > 28 weeks (including stillbirths and live births). Not including current pregnancy     Numeric
obs_livebths Number of live births     Numeric
obs_livechildren Number of live children     Numeric
obs_cs Previous Cesaerian section     Numeric
    Yes 1  
    No 0  
preg_bp Diagnosed with high blood pressure during this pregnancy     Numeric
    Yes 1  
    No 0  
preg_inf Diagnosed with any infection during this pregnancy     Numeric
    Yes 1  
    No 0  
urt_osmolality_1 urine osmolality measured using osmocheck at start of day     Numeric
urt_osmolality_2 urine osmolality measured using osmocheck at end of day     Numeric
del_place place of delivery     Numeric
    Home 1  
    Clinic 2  
    Hospital 3  
del_attendant delivery attendant     Numeric
    Family member 1  
    Trained birth assistant 2  
    Midwife 3  
    Doctor 4  
del_mode Mode of delivery     Numeric
    vaginal 1  
    assisted vaginal delivery 2  
    emergency c-section 3  
    elective c-section 4  
del_status Status at delivery     Numeric
    alive 1  
    intrapartum death 2  
    antepartum death 3  
del_sex newborn sex     Numeric
    Male 1  
    Female 2  
del_weight birth weight in kg within 72 hours of birth     Numeric
del_length birth length in cm within 72 hours of birth     Numeric
del_headcf birth head circumference within 72 hours of birth     Numeric
del_dischargestatus Newborn status at discharge     Numeric
    Alive 1  
    Alive but referred to hospital for care 2  
    Dead 3  
    Unknown 4  
del_outcome maternal outcome at discharge     Numeric
    Alive 1  
    Alive but referred to hospital 2  
    Dead 3  
GA_days Gestational age at delivery in days     Numeric
WeightZScore birth weight z-score calculated using Intergrowth-21     Numeric
WeightCentile birth weight centile calculated using intergrowth-21     Numeric
FD_all Fetal strain defined as heart rate > 160 or < 115 or increase in category of umbilical artery z-score     Numeric
    No 0  
    Yes 1  
MET1_am Metabolic equvalent first half of shift - from directly observed activity linked to previous study     Numeric
MET1_pm Metabolic equivalent second half of shift - from directly observed activity linked to previous study     Numeric
psimin Physiological strain index minimum value     Numeric
psimean Physiological strain index mean value     Numeric
psimax Physiological strain index maximum value     Numeric
vit_sbp baseline systolic blood pressure     Numeric
vit_dbp baseline diastolic blood pressure     Numeric
vit_heartrate baseline heart rate     Numeric
GA_atvisit gestational age at field visit     Numeric
SKT.Min. minimum skin temperature (Celcius)     Numeric
SKT.1st Qu. skin temperature 1st quartile (Celcius)     Numeric
SKT.Median skin temperature median (Celcius)     Numeric
SKT.Mean skin temperature mean (Celcius)     Numeric
SKT.3rd Qu. skin temperature 3rd quartile (Celcius)     Numeric
SKT.Max. skin temperature max (Celcius)     Numeric
HR.Min. heart rate min (BPM)     Numeric
HR.1st Qu. heart rate 1st quartile (BPM)     Numeric
HR.Median heart rate median (BPM)     Numeric
HR.Mean heart rate mean (BPM)     Numeric
HR.3rd Qu. heart rate 3rd quartile (BPM)     Numeric
HR.Max. heart rate max (BPM)     Numeric
duration duration of working shift     Numeric
psimedian_all Physiological strain index median value     Numeric
        Numeric
        Numeric
mid_FHR fetal heart rate middle of working shift (BPM)     Numeric
end_FHR fetal heart rate end of working shift (BPM)     Numeric
BS_FHR fetal heart rate at baseline (BPM)     Numeric
age_group age at time of consenting. Grouped by 5 years intervals     Numeric
    15-19 1  
    20-24 2  
    25-29 3  
    30-34 4  
    35-39 5  
    40-44 6  
    45-49 7