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

Table 6 Multiple logistic regression analysis for development of worse psychological well-being (an increase in GHQ-12) using SOC, stress, 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)	−0.140	0.115	0.223	0.869	0.693–1.09
SOC (≥126 vs <126 points)	−0.055	0.024	0.023*	0.947	0.903–0.993
Stress (≥29 vs <29 points)	0.048	0.073	0.514	1.05	0.909–1.21
SHLC (≥12 vs <12 points)	−0.058	0.077	0.449	0.943	0.812–1.10
IHLC (≥25 vs <25 points)	−0.114	0.090	0.204	0.892	0.748–1.06
CHLC (≥15 vs <15 points)	−0.108	0.082	0.187	0.897	0.764–1.05
FHLC (≥22 vs <22 points)	−0.066	0.085	0.440	0.936	0.792–1.11
PHLC (≥19 vs <19 points)	0.055	0.076	0.469	1.06	0.910–1.23
Exercise (0–1 vs 2–7 times per week)	2.09	0.728	0.004**	8.09	1.94–33.7
Alcohol (every day vs not every day)	−0.620	0.880	0.481	0.538	0.096–3.02
Smoking (current smoker vs non-smoker)	1.45	0.640	0.024*	4.25	1.21–14.9
BMI (over vs under 24 mg/m²)	−0.193	0.114	0.092	0.825	0.659–1.03
Breakfast (≥26 vs <26%)	−0.064	0.166	0.699	0.938	0.678–1.30
Lunch (≥16 vs <16%)	−0.116	0.110	0.292	0.89	0.717–1.11
Supper (≥60 vs <60%)	0.132	0.062	0.033*	1.14	1.01–1.29
Daily (≥21 vs <21%)	−0.174	0.113	0.123	0.841	0.674–1.05

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