Table 2

		Younger than 45 years			45 years and older
		OR	95% CI		Test	OR	95% CI	Test
A Association between health status and decreasing physical activity
Severe chronic conditions						^2-160
none	1.00			1.00
at least one problem	1.22	0.85, 1.75		1.38	1.10, 1.73
NHP emotions						^2-150
no problems	1.00			1.00
at least one problem	1.04	0.76, 1.44		1.34	1.04, 1.72
NHP energy						^2-160
no problems	1.00			1.00
at least one problem	1.18	0.78, 1.79		1.51	1.13, 2.02
NHP isolation						^2-160
no problems	1.00			1.00
at least one problem	1.58	0.98, 2.54		1.71	1.21, 2.42
NHP mobility						^2-165
no problems	1.00			1.00
at least one problem	1.44	0.98, 2.13		1.69	1.34, 2.14
NHP pain						^2-165
no problem	1.00			1.00
at least one problem	1.09	0.72, 1.64		1.67	1.32, 2.12
NHP sleep
no problem	1.00			1.00
at least one problem	1.21	0.86, 1.70		1.46	0.94, 2.28
Self perceived health						^2-165
(very) good	1.00			1.00
less than good	1.31	0.92, 1.88		1.93	1.52, 2.44
Obesity
BMI <30	1.00			1.00
BMI ⩾30	1.22	0.63, 2.36		1.46	0.94, 2.28

B Association between individual factors and decreasing physical activity
Alcohol consumption			^2-165			^2-150
abstainer	1.00			1.00
light drinking	0.79	0.56, 1.13		0.70	0.53, 0.92
moderate drinking	0.49	0.31, 0.78		0.83	0.60, 1.14
(very) excessive drinking	1.34	0.76, 2.34		1.20	0.78, 1.07
Smoking						^2-165
never smoked	1.00			1.00
ex smoker	1.00	0.71, 1.42		0.99	0.75, 1.31
smoker	1.26	0.95, 1.68		1.56	1.17, 2.09
Work responsibilities
not employed	1.00			1.00
housekeeper	0.83	0.50, 1.39		1.03	0.72, 1.48
employed	0.89	0.60, 1.32		1.03	0.74, 1.42
Family responsibilities			^2-160
no children	1.00			1.00
0 living at home	1.19	0.50, 2.84		0.71	0.50, 1.00
1 living at home	1.87	1.26, 2.83		0.82	0.56, 1.21
2 living at home	1.10	0.74, 1.63		0.79	0.52, 1.20
3 or more living at home	0.66	0.38, 1.17		0.58	0.29, 1.13
Locus of control			^2-160			^2-165
internal	1.00			1.00
2	1.43	1.04, 1.96		1.58	1.06, 2.37
3	1.34	0.92, 1.95		1.79	1.18, 2.72
4	1.98	1.35, 2.92		2.17	1.47, 3.20
external	1.79	1.10, 2.90		2.26	1.53, 3.33
Neuroticism			^2-150
hardly	1.00			1.00
2	1.23	0.81, 1.87		0.81	0.57, 1.14
3	1.49	0.98, 2.28		1.19	0.84, 1.67
4	1.28	0.86, 1.92		0.80	0.57, 1.13
highly	1.87	1.28, 2.73		1.13	0.83, 1.55
C Association between environmental factors and decreasing physical activity
Psychosocial factors
Life events
none	1.00			1.00
2	0.90	0.68, 1.20		1.18	0.93, 1.51
3	0.91	0.63, 1.32		1.01	0.72, 1.42
4 or more events	1.43	0.80, 2.56		1.60	0.95, 2.69
Long lasting difficulties
with health of others
none	1.00			1.00
1	1.07	0.80, 1.43		0.90	0.71, 1.14
2	1.63	1.03, 2.58		1.27	0.90, 1.80
3 or more difficulties	1.38	0.54, 3.50		0.79	0.37, 1.68
with relationships
none	1.00			1.00
1	1.12	0.82, 1.54		1.28	0.96, 1.72
2	1.21	0.83, 1.77		1.09	0.73, 1.64
3	1.23	0.78, 1.94		1.32	0.90, 1.95
high	1.40	0.93, 2.11		1.08	0.74, 1.59
Material factors
Equivalent income			^2-160			^2-165
high	1.00			1.00
4	1.38	0.56, 3.39		1.14	0.60, 2.18
3	1.95	0.79, 4.78		1.06	0.55, 2.03
2	2.27	0.93, 5.59		1.44	0.75, 2.76
low	2.91	1.17, 7.26		2.23	1.16, 4.28
Financial problems						^2-165
none	1.00			1.00
some	1.11	0.78, 1.59		1.53	1.14, 2.05
big	1.56	0.75, 3.24		3.32	1.97, 5.60
Situational difficulties
none	1.00			1.00
1	0.67	0.49, 0.92		1.04	0.77, 1.42
2	0.94	0.63, 1.41		1.61	1.07, 2.41
3	1.06	0.62, 1.82		0.90	0.51, 1.57
4 or higher	0.91	0.52, 1.58		1.18	0.65, 2.13
Neighbourhood circumstances
no problems	1.00			1.00
1 problem	1.04	0.77, 1.40		1.11	0.86, 1.45
2 problems	1.56	1.01, 2.40		1.35	0.91, 2.00
3 or 4 problems	1.01	0.56, 1.81		2.04	1.11, 3.75
Housing conditions						^2-165
no problems	1.00			1.00
1	1.28	0.91, 1.79		1.10	0.81, 1.51
2	0.93	0.60, 1.46		1.93	1.26, 2.94
3 problems	1.13	0.58, 2.17		2.84	1.56, 5.17

↵2-150 p<0.05,
↵2-160 p<0.01,
↵2-165 p<0.001. OR, odds ratio of decreasing physical activity, adjusted for gender, age, and physical activity in 1991. 95% CI, 95% confidence intervals of OR. Test, likelihood ratio χ² test.