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Table 4 Demographic characteristics of GBS carriers and non-carriers using univariate and multivariate analysis

From: Factors associated with choice of approach for Group B streptococcus screening

Characteristic Carriers
n (%)
n = 209
Non-carriers
n (%)
n = 595
Univariate Analysis Multivariate Analysis
Odds Ratio 95 % CI p value Odds Ratio 95 % CI p value
Average age (years) 28.6 29.9 -   0.002    
Residency district n (%) Jerusalem 53 (25.4) 132 (22.2) 1   Ref. 1   
North 18 (8.6) 40 (6.7) 1.1 0.6–2.1 0.7 0.7 0.3–1.6 0.4
Haifa 13 (6.2) 43 (7.2) 0.7 0.3–1.5 0.4 0.9 0.4–2.1 0.9
Center 27 (12.9) 121 (20.3) 0.5 0.3–0.9 0.0 0.7 0.3–1.2 0.2
Tel Aviv 30 (14.3) 86 (14.4) 0.9 0.5–1.4 0.6 1.2 0.6–2.4 0.6
South 44 (21.0) 108 (18.1) 1.0 0.6–1.6 0.9 0.9 0.5–1.6 0.8
Judea & Samaria 24 (11.5) 65 (10.9) 0.9 0.5–1.6 0.7 0.9 0.5–1.8 0.9
Country of origin n (%) Israel 162 (80.6) 485 (81.6) 1   Ref. 1   
Asia-Africa 5 (2.5) 11 (1.85) 1.3 0.4–3.8 0.6 1.9 0.6–6.2 0.2
America-Europe 34 (16.9) 98 (16.5) 0.9 0.6–1.5 0.9 1 0.6–1.6 0.9
Socioeconomic rank n (%) Low 25 (12.6) 25 (4.3) 1   Ref. 1   
Intermediate 136 (68.3) 393 (68) 0.4 0.2–0.7 0.0 0.3 0.2–0.6 0.0
High 38 (19.1) 160 (27.7) 0.3 0.1–0.5 <0.001 0.2 0.1–0.6 0.0
Health Maintenance Organization n (%) Clalit Health services 80 (38.8) 253 (43.0) 1   Ref. 1   
Maccabi Healthcare services 55 (26.7) 151 (25.7) 1.1 0.7–1.7 0.5 1.4 0.8–2.2 0.2
Le’umit 26 (12.6) 52 (8.8) 1.6 0.9–2.7 0.1 1.8 0.9–3.2 0.0
Me’uhedet 45 (21.8) 132 (22.4) 1.1 0.7–1.6 0.7 1.1 0.7–1.9 0.6
Reason to screening n (%) Routine F/U 155 (79.5) 494 (92.0) 1   <0.0001 1   
Risk factor 40 (20.5) 43 (8.0) 2.9 1.8–4.7 3.0 1.8–4.9 <0.001
Religion n (%) Arab 27 (12.9) 38 (6.4) 1   0.0 1   
Jewish & others 182 (87.1) 557 (93.6) 0.4 0.3–0.8 1.3 0.6–2.8 0.5