Variable | Range of scoring | Univariate | Multivariate | ||
---|---|---|---|---|---|
Odds ratio (95% CI) | P value | Odds ratio (95% CI) | P value | ||
Knowledge | 0–15 | 1.14 (1.00–1.30) | 0.05 | 0.92 (0.74–1.17) | 0.53 |
Attitude | 0–44 | 1.14 (1.06–1.23) | 0.001 | 1.03 (0.90–1.18) | 0.67 |
Subjective norms | 0–64 | 1.15 (1.08–1.22) | < 0.001 | 1.08 (1.01–1.16) | 0.032 |
Enabling factor | 0–24 | 1.17 (1.08–1.26) | < 0.001 | 1.09 (0.95–1.25) | 0.20 |
Behavioral intention | 0–20 | 2.45 (1.77–3.38) | < 0.001 | 2.29 (1.57–3.35) | < 0.001 |
 | R-square = 0.32 |