TY - JOUR
T1 - Occupational lifting during pregnancy and risk of fetal death in a large national cohort study
AU - Juhl, Mette
AU - Strandberg-Larsen, Katrine
AU - Larsen, Pernille Stemann
AU - Andersen, Per Kragh
AU - Svendsen, Susanne Wulff
AU - Bonde, Jens Peter
AU - Andersen, Anne-Marie Nybo
PY - 2013/7
Y1 - 2013/7
N2 - OBJECTIVE: The aim of the present study was to examine the association between occupational lifting and the risk of fetal death according to gestational age. METHODS: We used data from the Danish National Birth Cohort (1996-2002). Among 71 500 occupationally active women, 2886 experienced a fetal death. Information on lifting and relevant covariates was collected in interviews around week 16 of pregnancy. The majority of fetal losses (N=2032) happened before the scheduled interview, and exposure data were collected retrospectively from these women. We analyzed early miscarriage (=12 weeks), late miscarriage (13-21 weeks), and stillbirth (=22 weeks), using Cox-regression models with gestational age as the underlying time variable. RESULTS: The adjusted early miscarriage risk increased with frequency of daily lifts and total burden lifted per day. For example, the hazard ratio was 1.38 [95% confidence interval (95% CI) 1.10-1.74] for a total weight load per day of 101-200 kg and 2.02 (95% CI 1.23-3.33) for a daily load >1000 kg as compared to non-lifters (P for trend
AB - OBJECTIVE: The aim of the present study was to examine the association between occupational lifting and the risk of fetal death according to gestational age. METHODS: We used data from the Danish National Birth Cohort (1996-2002). Among 71 500 occupationally active women, 2886 experienced a fetal death. Information on lifting and relevant covariates was collected in interviews around week 16 of pregnancy. The majority of fetal losses (N=2032) happened before the scheduled interview, and exposure data were collected retrospectively from these women. We analyzed early miscarriage (=12 weeks), late miscarriage (13-21 weeks), and stillbirth (=22 weeks), using Cox-regression models with gestational age as the underlying time variable. RESULTS: The adjusted early miscarriage risk increased with frequency of daily lifts and total burden lifted per day. For example, the hazard ratio was 1.38 [95% confidence interval (95% CI) 1.10-1.74] for a total weight load per day of 101-200 kg and 2.02 (95% CI 1.23-3.33) for a daily load >1000 kg as compared to non-lifters (P for trend
U2 - 10.5271/sjweh.3335
DO - 10.5271/sjweh.3335
M3 - Journal article
C2 - 23207454
VL - 39
SP - 335
EP - 342
JO - Scandinavian Journal of Work, Environment & Health
JF - Scandinavian Journal of Work, Environment & Health
SN - 0355-3140
IS - 4
ER -