Table 3

Crude and adjusted OR for the risk factors associated with multimorbidity

Variable	cOR 95% CI	aOR	P value	95% CI
Constant		0.02	<0.001*	0.01 to 0.02
Age
35–40	1.0	1.0
41–50	2.8 2.2 to 3.6	3.3	<0.001*	2.6 to 4.3
51–60	3.6 2.9 to 4.5	4.9	<0.001*	3.8 to 6.2
>60	5.1 4.8 to 7.5	8.7	<0.001*	6.8 to 11.1
Sex
Male	1.0	1.0
Female	1.2 1.0 to 1.3	1.2	0.003*	1.1 to 1.4
Wealth quintile
Poorest	1.0	1.0
Second	1.2 0.9 to 1.6	1.1	0.561	0.8 to 1.4
Middle	1.5 1.2 to 1.1	1.2	0.153	0.9 to 1.5
Fourth	2.3 1.8 to 2.9	1.5	0.002*	1.2 to 1.9
Richest	3.6 2.9 to 4.4	2.1	<0.001*	1.6 to 27
Educational status
No education	1.00	1.00
Primary education	1.9 1.1 to 1.5	1.5	<0.001*	1.3 to 1.8
Secondary and higher	1.7 1.5 to 2.0	1.8	<0.001*	1.6 to 2.3
BMI
18.5–25	1.0	1.0
<18.5	0.9 0.6 to 0.8	0.6	<0.001*	0.5 to 0.8
≥25	2.4 2.1 to 2.8	2.1	<0.001*	1.8 to 2.5
Average days of meat/fish intake (weekly)
<4 times	1.0	1.0
≥4 times	1.6 1.3 to 1.9	0.1	0.980	0.8 to 1.2
Average days of fruit intake (weekly)
<4 times	1.0	1.0
≥4 times	2.5 1.8 to 2.6	1.3	0.018*	1.0 to 1.6
Physical activity
Not active	1.0	1.0
Less active	0.9 0.8 to 1.0	1.1	0.291	0.9 to 1.3
Moderately to highly active	0.3 0.1 to 0.6	0.5	0.152	0.2 to 1.3