Table 2. Regression coefficients for BMI at baseline by occupational class in Japan and Finland.

	Model 1		Model 2		Model 3		Model 4
	β	95% CI	β	95% CI	β	95% CI	β	95% CI
Japanese men (n = 2859)
Managers	ref.		ref.		ref.		ref.
Professionals	−0.15	−0.59, 0.29	−0.12	−0.57, 0.32	−0.13	−0.57, 0.32	−0.13	−0.57, 0.31
Clerical employees	−0.33	−0.79, 0.14	−0.27	−0.74, 0.20	−0.27	−0.74, 0.21	−0.26	−0.74, 0.21
Manual workers	0.19	−0.34, 0.73	0.29	−0.27, 0.85	0.28	−0.29, 0.84	0.31	−0.26, 0.88
P-value for trend	0.005		0.029		0.026		0.034
Finnish men (n = 1737)
Managers	ref.		ref.		ref.		ref.
Professionals	0.74	0.24, 1.23	0.77	0.26, 1.28	0.78	0.27, 1.29	0.71	0.20, 1.21
Clerical employees	0.80	0.16, 1.43	0.95	0.29, 1.61	0.95	0.28, 1.62	0.96	0.29, 1.62
Manual workers	1.12	0.67, 1.56	1.28	0.76, 1.79	1.26	0.74, 1.78	1.18	0.66, 1.71
P-value for trend	<0.0001		<0.0001		<0.0001		<0.0001
Japanese women (n = 1221)
Professionalsa	ref.		ref.		ref.		ref.
Clerical employees	0.31	−0.03, 0.64	0.29	−0.09, 0.66	0.28	−0.66, 0.10	0.28	−0.66, 0.10
P-value for trend	0.075		0.135		0.144		0.144
Finnish women (n = 6948)
Professionalsa	ref.		ref.		ref.		ref.
Clerical employees	1.11	0.89, 1.32	1.20	0.97, 1.44	1.20	0.97, 1.44	1.25	1.02, 1.49
Manual workers	1.58	1.24, 1.91	1.69	1.34, 2.04	1.69	1.34, 2.04	1.80	1.45, 2.15
P-value for trend	<0.0001		<0.0001		<0.0001		<0.0001

Model 1 = age + age-squared; Model 2 = Model 1 + job control and demands + working overtime; Model 3 = Model 2 + marital status + social relations; Model 4 = Model 3 + smoking + alcohol use + physical inactivity.

^aManagers and professionals combined.