Table 2. Factors Associated With Multiple Chronic Conditions (≥2 Chronic Conditions) Among Israelis Aged ≥21 Years, Israeli National Health Interview Survey, 2014–2015^a .

Characteristic	Adjusted Prevalence Rate Ratios (95% CI)	P Value
Age, y
21–34	1 [Reference]
35–49	2.1 (1.6–2.8)	<.001
50–64	6.5 (4.9–8.7)	<.001
≥65	17.0 (12.6–23.1)	<.001
Sex
Male	1 [Reference]
Female	1.6 (1.3–2.0)	<.001
Population group
Jewish	1 [Reference]
Arab	1.0 (0.8–1.3)	.72
Monthly household income, US$
≤2,000	1.7 (1.2–2.5)	.005
2,001–3,000	1.3 (1.0–1.7)	.04
3,001–4,000	1.0 (0.7–1.3)	.83
>4,000	1 [Reference]
Years of schooling
<12	1 [Reference]
≥12	1.0 (0.8–1.2)	.59
Marital status
Married or living with a partner	1 [Reference]
Unmarried	1.1 (0.9–1.4)	.22
Smoking status
Never	1 [Reference]
Current	1.4 (1.1–1.8)	<.001
Past	1.3 (1.0–1.7)	.01
BMIb
Normal weight (18.5 to <25.0)	1 [Reference]
Underweight (<18.5)	1.0 (0.5–1.9)	.91
Overweight (25.0 to ≤29.9)	1.9 (1.5–2.2)	<.001
Obese (≥30.0)	3.0 (2.4–3.9)	<.001
Physical activityc
<150 min per week	0.9 (0.7–1.1)	.21
≥150 min per week	1 [Reference]

Abbreviations: BMI, body mass index; CI, confidence interval.

^a Determined by weighted multivariate logistic regression.

^b Calculated by dividing reported weight by the square of reported height (kg/m²) (14).

^c Physical activity guidelines of World Health Organization (15).