Crude incidence rates of perimenopause and adjusted incidence rate ratios by first experience or fear of physical or sexual abuse
| Number | Woman years (w-y) | Perimenopause defined by menstrual cycle length, flow, duration, and amenorrhea | Perimenopause defined by menstrual cycle irregularity and amenorrhea | |||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Number of cases | Crude IR (cases per 1000 w-y) | Age adjusted IRR (95%CI) | Fully adjusted IRR (95% CI) | Number of cases | Crude IR (cases per 1000 w-y) | Age adjusted IRR (95%CI) | Fully adjusted IRR (95% CI) | |||
| *Adjusted for age, age at menarche, ever live birth, ability to maintain living standard, smoking, BMI, and depression. †Adjusted for age, age at menarche, ever live birth, ability to maintain living standard, smoking, and BMI. | ||||||||||
| Among the entire cohort (n = 603) | ||||||||||
| Childhood or adolescence | 324 | 823 | 59 | 72 | 0.71 (0.50 to 1.02) | 0.65 (0.45 to 0.95)* | 59 | 72 | 0.71 (0.50 to 1.04) | 0.74 (0.50 to 1.08)* |
| Adulthood | 27 | 65 | 5 | 77 | 0.78 (0.31 to 1.94) | 0.72 (0.28 to 1.80)* | 5 | 77 | 0.44 (0.14 to 1.41) | 0.43 (0.13 to 1.38)* |
| Never abused | 252 | 630 | 60 | 95 | – | – | 60 | 95 | – | – |
| Among non-depressed women (n = 410) | ||||||||||
| Childhood or adolescence | 177 | 449 | 31 | 69 | 0.62 (0.40 to 0.97) | 0.57 (0.36 to 0.90)† | 31 | 69 | 0.64 (0.40 to 1.02) | 0.69 (0.43 to 1.11)† |
| Adulthood | 22 | 53 | 4 | 75 | 0.66 (0.24 to 1.83) | 0.63 (0.23 to 1.77)† | 4 | 75 | 0.35 (0.08 to 1.43) | 0.33 (0.08 to 1.39)† |
| Never abused | 211 | 531 | 54 | 102 | – | – | 54 | 102 | – | – |