Table 3.
Comparison of risk of infertility following chlamydial infection in subgroups of women stratified by PIR and ever marijuana/hashish use.
| Variables | Crude model | Model 1 a | Model 2 b | |||
|---|---|---|---|---|---|---|
| OR (95% CI) | P -value | OR (95% CI) | P -value | OR (95% CI) | P -value | |
| Ever used marijuana/hashish-yes | ||||||
| PIR Q1 ( ≤ 0.95) | 1.51 (1.04, 2.19) | 0.0314 | 1.49 (0.97, 2.27) | 0.0655 | 2.15 (1.12, 4.14) | 0.0216 |
| PIR Q2 (0.96, 1.93) | 1.45 (1.05, 2.01) | 0.0243 | 1.45 (1.05, 2.02) | 0.0247 | 1.18 (0.74, 1.88) | 0.4890 |
| PIR Q3 (1.94, 3.27) | 1.18 (0.82, 1.72) | 0.3707 | 1.14 (0.78, 1.66) | 0.5053 | 1.39 (0.81, 2.37) | 0.2331 |
| PIR Q4 (3.28, 5.00) | 1.67 (1.12, 2.49) | 0.0126 | 1.47 (0.96, 2.26) | 0.0770 | 1.40 (0.82, 2.41) | 0.2163 |
| Total | 1.44 (1.20, 1.72) | < 0.0001 | 1.39 (1.16, 1.68) | 0.0005 | 1.33 (1.07, 1.66) | 0.0114 |
| Ever used marijuana/hashish-no | ||||||
| PIR Q1 ( ≤ 0.95) | 1.15 (0.78, 1.71) | 0.4725 | 1.04 (0.68, 1.59) | 0.8689 | 0.92 (0.49, 1.73) | 0.7937 |
| PIR Q2 (0.96, 1.93) | 1.19 (0.83, 1.69) | 0.3472 | 1.11 (0.77, 1.62) | 0.5727 | 1.28 (0.76, 2.15) | 0.3471 |
| PIR Q3 (1.94, 3.27) | 0.88 (0.54, 1.43) | 0.5992 | 0.75 (0.44, 1.26) | 0.2777 | 0.78 (0.36, 1.69) | 0.5289 |
| PIR Q4 (3.28, 5.00) | 1.68 (1.12, 2.50) | 0.0112 | 1.38 (0.86, 2.24) | 0.1851 | 2.01 (0.82, 4.90) | 0.1247 |
| Total | 1.20 (0.98, 1.46) | 0.0772 | 1.06 (0.85, 1.30) | 0.6138 | 1.01 (0.79, 1.30) | 0.9130 |
aModel 1 adjusted for age and BMI.
bModel 2 adjusted for age, BMI, race, marital status, education level, alcohol drinking, male sex partners, ever pregnant, age at first sex, pelvic infection and recent chlamydia.