Table 2. Lifestyle factors and reproductive and metabolic outcomes.
| Shiftwork | No Regular Exercise | Sleep hours | |||||||
|---|---|---|---|---|---|---|---|---|---|
| No | Yes | Significance | No | Yes | Significance | > = 6 hours | <6 hours | Significance | |
| Reproductive | |||||||||
| Frequency (%) | |||||||||
| Menstrual cycle length (days) | |||||||||
| <25 | 9 (5.2) | 7 (12.3) | 1 (1.8) | 15 (8.6) | 8 (4.5) | 8 (14.5) | ** | ||
| 25–34 | 119 (68.4) | 36 (63.2) | 40 (71.4) | 115 (65.7) | 127 (72.2) | 28 (50.9) | |||
| > = 35 days | 46 (26.4) | 14 (24.6) | 15 (26.8) | 45 (25.7) | 41 (23.3) | 19 (34.5) | |||
| Mean (SD) | |||||||||
| Avg ovarian volume | 5.09 (2.28) | 5.48 (2.50) | 5.10 (2.16) | 5.22 (2.40) | 5.19 (2.30) | 5.19 (2.49) | |||
| Anthral follicle count | 15.8 (11.7) | 16.9 (11.1) | 15.1 (10.1) | 16.4 (11.9) | 15.7 (10.4) | 17.2 (14.7) | |||
| AMH (pmol/L) | 41.9 (34.1) | 47.6 (41.8) | 40.1 (30.5) | 44.3 (37.8) | 43.0 (33.8) | 44.3 (43.2) | |||
| mFG score | 1.09 (1.39) | 1.09 (1.78) | 1.21 (1.39) | 1.05 (1.52) | 1.09 (1.48) | 1.07 (1.52) | |||
| SHBG (nmol/L) | 60.5 (31.2) | 54.8 (23.8) | 62.5 (32.6) | 57.9 (28.6) | 61.1 (31.2) | 52.6 (22.8) | * | ||
| Testosterone (nmol/L) | 1.32 (0.71) | 1.25 (0.65) | 1.45 (0.74) | 1.25 (0.67) | 1.31 (0.70) | 1.28 (0.67) | |||
| FAI | 3.19 (3.49) | 3.06 (2.58) | 3.24 (3.71) | 3.13 (3.15) | 3.14 (3.46) | 3.22 (2.69) | |||
| Mean (SD) | |||||||||
| Metabolic | |||||||||
| BMI | 22.5 (4.0) | 23.1 (4.2) | 22.1 (3.3) | 22.8 (4.3) | 22.1 (3.6) | 24.2 (5.1) | ** | ||
| WHR | 0.77 (0.06) | 0.80 (0.06) | ** | 0.76 (0.06) | 0.78 (0.06) | * | 0.78 (0.06) | 0.79 (0.06) | |
| Average systolic blood pressure (mm Hg) | 111 (14) | 112 (12) | 113 (15) | 112 (13) | 111 (12) | 115 (17) | |||
| Average diastolic blood pressure (mm Hg) | 67.5 (9.8) | 68.0 (9.3) | 66.8 (8.4) | 67.9 (10.0) | 67.0 (9.4) | 69.5 (10.3) | |||
| Cholesterol (mmol/L) | 4.65 (0.76) | 4.72 (0.84) | 4.71 (0.80) | 4.65 (0.77) | 4.62 (0.76) | 4.79 (0.82) | |||
| Triglycerides (mmol/L) | 0.91 (0.46) | 0.96 (0.73) | 0.93 (0.54) | 0.92 (0.54) | 0.89 (0.46) | 1.01 (0.72) | |||
| HDL (mmol/L) | 1.50 (0.34) | 1.50 (0.44) | 1.49 (0.30) | 1.50 (0.39) | 1.51 (0.36) | 1.48 (0.37) | |||
| LDL (mmol/L) | 2.72 (0.66) | 2.76 (0.74) | 2.75 (0.71) | 2.72 (0.67) | 2.70 (0.66) | 2.82 (0.74) | |||
| Glucose (mmol/L) | 4.65 (0.45) | 4.57 (0.40) | 4.65 (0.43) | 4.62 (0.45) | 4.62 (0.44) | 4.65 (0.44) | |||
| Insulin (mU/L) | 7.96 (6.74) | 7.90 (4.37) | 6.14 (3.85) | 8.52 (0.63) | ** | 7.19 (5.23) | 10.4 (8.3) | *** | |
| HOMA-IR | 1.68 (1.53) | 1.62 (0.97) | 1.29 (0.88) | 1.78 (1.52) | ** | 1.51 (1.30) | 2.13 (1.63) | *** | |
| Frequency (%) | |||||||||
| Insulin resistance | |||||||||
| No | 132 (75.9) | 42 (73.7) | 47 (83.9) | 127 (72.6) | 143 (81.2) | 31 (56.4) | *** | ||
| Yes | 42 (24.1) | 15 (26.3) | 9 (16.1) | 48 (27.4) | 33 (18.8) | 24 (43.6) | |||
| Metabolic Syndrome | |||||||||
| No | 167 (96.0) | 54 (94.7) | 51 (91.1) | 170 (97.1) | 171 (97.2) | 50 (90.9) | |||
| Yes | 7 (4.0) | 3 (5.3) | 5 (8.9) | 5 (2.9) | 5 (2.8) | 5 (9.1) | |||
* P<0.05
** P<0.01
*** P<0.001