Psychosocial work environment factors and weight change: a prospective study among Danish health care workers

BMC Public Health

Table 1 Baseline descriptive statistics of the study population

	Men				Women
Variable	N	%	Mean	S.D	N	%	Mean	S.D
Baseline 2004/2005
Age	153		46	8.25	3982		45	8.45
Smoke status
Smoker	32	20.92	.	.	1389	35.18	.	.
Non-smoker^a	121	79.08	.	.	2559	64.82	.	.
BMI (kg/m²)	151		25.97	3.30	3804		24.89	4.34
Cohabitation
Living with a partner or spouse	122	80.79	.	.	3245	82.38	.	.
Living alone/other	29	19.21	.	.	694	17.62	.	.
Work Hours
Day schedule	122	79.74	.	.	2658	66.87	.	.
Fixed evening shift	17	11.11	.	.	581	14.62	.	.
Fixed night shift	5	3.27	.	.	181	4.55	.	.
Alternating day/evening shift	8	5.23	.	.	441	11.09	.	.
Alternating evening/night shift	0	0.00	.	.	27	0.68	.	.
Alternating day/evening/night shift	1	0.65	.	.	87	2.19	.	.
Type of work position
Managers	45	29.41	.	.	267	6.71	.	.
Health care workers	73	47.71	.	.	3378	84.83	.	.
Other (eg. janitors, secretaries)	35	22.88	.	.	337	8.46	.	.
Follow-up 2008
BMI (kg/m²)	150		26.21	3.24	3776		25.37	4.62
Change in BMI
Unchanged weight	125	83.89	.	.	2853	77.72	.	.
BMI gain of 2 kg/m²	16	10.74	.	.	583	15.88	.	.
BMI loss of 2 kg/m²	8	5.37	.	.	235	6.40	.	.

ISSN: 1471-2458