Table 2.

Treatment satisfaction, heavy menstrual bleeding, and menstrual pain

	Extended-cycle COC	Monthly-cycle COC
	Adjusted Mean (95% CI)	Adjusted Mean (95% CI)
Treatment satisfactiona	6.1 (5.9, 6.2)	5.8 (5.8, 5.9)
Treatment adherence (MMAS-8)a	6.9 (6.7, 7.1)	6.7 (6.7, 6.8)
Heavy menstrual bleeding (% women)a	8.6 (5.8, 12.4)	13.0 (11.9, 14.2)
Menstrual pain in past month (% women)	39.5 (29.1, 50.9)	47.3 (44.2, 50.5)

CI, confidence interval; COC, combined oral contraception; MMAS-8, Morisky Medication Adherence Scale

^aP values < 0.05 in generalized linear models adjusted for covariates