Table 3 Prevalence of psoriatic arthritis by demographic characteristics (in 2022) and their association with psoriatic arthritis by logistic regression analysis

Sex

 Female

0.233%

1.12; 95% CI 1.07–1.18

1.15; 95% CI 1.09–1.21

 Male

0.208%

Ref.

Ref.

Socioeconomic status

 High

0.286%

1.70; 95% CI 1.59–1.80

1.4; 95% CI 1.31, 1.5

 Middle

0.243%

1.44; 95% CI 1.37–1.53

1.17; 95% CI 1.10, 1.24

 Low

0.169%

Ref.

Ref.

Ethnicity

 Jewish

0.252%

1.90; 95% CI 1.78–2.02

1.58; 95% CI 1.45–1.71

 Arab

0.139%

Ref.

Ref.

Residential area

 Urban

0.240%

1.29; 95% CI 1.22–1.36

0.99; 95% CI 0.94–1.05

 Rural

0.187%

Ref.

Ref.

BMI, kg/m²

 >30

0.353%

2.08; 95% CI 1.95–2.21

2.17; 95% CI 2.04–2.31

 25–30

0.277%

1.63; 95% CI 1.53–1.73

1.66; 95% CI 1.56–1.77

 18.5–25

0.170%

Ref.

Ref.

 <18.5

0.122%

0.72; 95% CI 0.58–0.89

0.71; 95% CI 0.58–0.88

Smoking

 Yes

0.283%

1.52; 95% CI 1.47–1.59

1.42; 95% CI 1.35–1.49)

 No

0.187%

Ref.

Ref.