Common risk factors for changes in body weight and psychological well-being in Japanese male middle-aged workers

Table 5 Multiple logistic regression analysis for weight increase (BMI) using SOC, stress, GHQ-12, health locus of control, and life-style factors at baseline as explanatory variables for workers

Variable	Regression coefficient	SE	p value	Odds ratio	95% Confidence interval
Age (≥ vs <53 years old)	0.179	0.189	0.343	1.2	0.826–1.73
SOC (≥126 vs <126 points)	−0.120	0.042	0.004*	0.886	0.816–0.960
Stress (≥29 vs <29 points)	0.136	0.093	0.142	1.15	0.955–1.37
GHQ-12 (≥2 vs <2 points)	−0.692	0.463	0.135	0.501	0.202–1.24
SHLC (≥12 vs <12 points)	−0.066	0.118	0.577	0.936	0.742–1.18
IHLC (≥25 vs <25 points)	0.010	0.136	0.940	1.01	0.774–1.32
CHLC (≥15 vs <15 points)	−0.283	0.136	0.037*	0.754	0.577–0.980
FHLC (≥22 vs <22 points)	0.378	0.187	0.043*	1.46	1.01–2.11
PHLC (≥19 vs <19 points)	0.255	0.134	0.056	1.29	0.993–1.68
Exercise (0–1 vs 2–7 times per week)	4.11	1.22	0.001**	61.0	5.60–665.5
Alcohol (every day vs not every day)	−1.257	1.42	0.376	0.285	0.018–4.59
Smoking (current smoker vs non-smoker)	−0.434	0.916	0.636	0.648	0.108–3.90
Breakfast (≥26 vs <26%)	−0.445	0.300	0.138	0.641	0.356–1.15
Lunch (≥16 vs <16%)	−0.052	0.158	0.743	0.95	0.697–1.29
Supper (≥60 vs <60%)	0.227	0.114	0.047*	1.25	1.00–1.57
Daily (≥21 vs <21%)	0.381	0.190	0.045*	1.46	1.01–2.12

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