Table 5 Results of logistic regression analyses to assess predictors of screening and brief intervention, odds ratio (95% confidence interval)¹

Age

1.01 (0.99, 1.02)

1.02 (1.00, 1.04)*

1.02 (1.00, 1.04)*

1.01 (0.99, 1.03)

1.05 (1.03, 1.08)**

1.07 (1.04, 1.10)**

Male

0.96 (0.73, 1.27)

1.00 (0.58, 1.74)

1.47 (0.87, 2.45)

1.98 (0.96, 4.11)

1.22 (0.69, 2.18)

1.05 (0.51, 2.17)

Black²

0.98 (0.62, 1.53)

0.93 (0.35, 2.54)

---

---

---

---

Brown / Sotho^2,3

1.16 (0.84, 1.59)

1.57 (0.80, 3.09)

---

---

0.54 (0.26, 1.09)

0.31 (0.11, 0.86)**

Asian / Tsonga^2,3

0.96 (0.41, 2.23)

2.16 (0.56, 8.29)

---

---

1.54 (0.72, 3.29)

1.98 (0.82, 4.79)

Xosa²

---

---

---

---

1.41 (0.60, 3.31)

1.67 (0.61, 4.58)

Other²

0.58 (0.22, 1.54)

1.52 (0.40, 5.76)

0.96 (0.47, 1.98)

0.84 (0.34, 2.11)

Married

1.29 (0.97, 1.72)

1.69 (0.95, 3.00)

1.19 (0.65, 2.20)

1.94 (0.81, 4.61)

1.00 (0.54, 1.89)

1.19 (0.56, 2.51)

Education

1.12 (1.05, 1.19)**

0.94 (0.84, 1.07)

0.87 (0.71, 1.06)

0.84 (0.66, 1.08)

1.05 (0.95, 1.15)

1.06 (0.94, 1.19)

Perceived wealth

1.17 (1.04, 1.30)**

1.05 (0.85, 1.30)

0.98 (0.79, 1.21)

0.90 (0.70, 1.17)

0.97 (0.80, 1.18)

1.09 (0.86, 1.38)

Subjective health

0.89 (0.76, 1.05)

0.79 (0.60, 1.04)

0.90 (0.67, 1.20)

0.72 (0.51, 1.01)

0.78 (0.62, 0.98)*

0.78 (0.59, 1.04)

CAGE ≥ 1

0.92 (0.69, 1.21)

3.39 (1.81, 6.36)**

1.98 (1.22, 3.20)**

2.19 (1.22, 3.93)**

3.12 (1.42, 6.89)**

11.2 (2.24, 55.7)**