Cortisol dynamics and sleep quality: the role of sex and oral contraceptive use 129 Table S4.1. Sleep quality and sleep disruptions per group. Oral contraceptive users of whom information on oral contraceptive generation (n=4) was missing were excluded. Sleep quality (PSQI total score) n Mean, SD Median, IQR Naturally cycling women – follicular 53 3.83 (1.76) 4 (3 to 5) Naturally cycling women – luteal 15 3.4 (1.45) 4 (2.5 to 4) Oral contraceptive users – 1nd generation 2 3.0 (1.41) 3 (2.5 to 3.5) Oral contraceptive users – 2nd generation 9 4 (1.73) 4 (4 to 5) Oral contraceptive users – 3nd generation 15 4.13 (2.59) 3 (2 to 5.5) Oral contraceptive users – 4nd generation 1 10 (0) 10 (10 to 10) Intrauterine device users 12 3.58 (2.5) 4 (1.8 to 4.3) Male 124 3.97 (2.06) 4 (2 to 5) Reported sleep disruptions (PSQI 5B) 1: Not during past month 2: Less than once a week 3: Once or twice a week 4: Three or more times a week n n (%) n (%) n (%) n (%) Naturally cycling women – follicular 53 13 (24.5%) 21 (39.6%) 13 (24.5%) 6 (11.3%) Naturally cycling women – luteal 15 2 (13.3%) 6 (40.0%) 4 (26.7%) 3 (20.0%) Oral contraceptive users – 1nd generation 2 0 (0%) 1 (50%) 1 (50%) 0 (0%) Oral contraceptive users – 2nd generation 9 4 (44.4%) 2 (22.2%) 1 (11.1%) 2 (22.2%) Oral contraceptive users – 3nd generation 15 2 (13.3%) 5 (33.3%) 6 (40%) 2 (13.3%) Oral contraceptive users – 4nd generation 1 0 (0%) 0 (0%) 1 (100%) 0 (0%) Intrauterine device users 12 4 (33.3%) 6 (50.0%) 2 (16.7%) 0 (0%) Male 124 39 (31.5%) 39 (31.5%) 30 (24.2%) 16 (12.9%) PSQI = Pittsburgh Sleep Quality Index.
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