Table 2 Survival analysis results: effects of socio-demographic variables
Variables | Abstinence | 95% IC | Log rank (Mantel-Cox) | p | ||||
|---|---|---|---|---|---|---|---|---|
Sample size | Number | Rates | Mean | Standard error | ||||
Age | ||||||||
27-37 | 16 | 11 | 68.8% | 6.73 | 1.54 | 3.71- 9.74 | 1.833 | .400 |
38-48 | 54 | 41 | 75.9% | 8.32 | .73 | 6.89 - 9.75 | ||
49-63 | 55 | 43 | 78.2% | 7.07 | .72 | 5.66 - 8.48 | ||
Gender | ||||||||
Male | 50 | 39 | 78% | 7.85 | .77 | 6.34 - 9.35 | .247 | .619 |
Female | 75 | 56 | 74.7% | 7.38 | .63 | 6.14 - 8.61 | ||
Education | ||||||||
Elementary school | 63 | 47 | 74.6% | 7.06 | .69 | 5.70 - 8.42 | 2.255 | .324 |
College degree | 43 | 31 | 72.1% | 8,65 | .81 | 7.07- 10.22 | ||
Ph.D. | 19 | 17 | 89.5% | 7,00 | 1.23 | 4.58 - 9.42 | ||
Occupation | ||||||||
Janitorial | 18 | 15 | 83.3% | 7.40 | 1.23 | 4.99 - 9.80 | 1.318 | .517 |
Administrative and service personnel | 80 | 58 | 72.5% | 7.95 | .62 | 6.72- 9.17 | ||
Teachers and researchers | 27 | 22 | 81.5% | 6.68 | 1.03 | 4.66- 8.70 | ||