Table 1 Characteristics of women with, and without, PCOS according to BMI categories
BMI | Non-PCOS (n = 255) | p value | PCOS (n = 134) | p value | ||
|---|---|---|---|---|---|---|
Normal (< 23) n = 152 | High (≥ 23) n = 103 | Normal (< 23) n = 61 | High (≥ 23) n = 73 | |||
Mean age (SD) | 31.35 ± 5.13 | 33.56 ± 5.16 | 0.001 | 29.18 ± 4.00 | 30.38 ± 3.94 | 0.083 |
Race n (%) | 0.003 | 0.011 | ||||
Chinese | 121 (79.6) | 62 (60.2) | 46 (75.4) | 45 (61.6) | ||
Malay | 8 (5.3) | 14 (13.6) | 1 (1.6) | 13 (17.8) | ||
Indian | 7 (4.6) | 13 (12.6) | 4 (6.6) | 7 (9.6) | ||
Others | 16 (10.5) | 14 (13.6) | 10 (16.4) | 8 (11.0) | ||
Marital status n (%) | 0.039 | 0.379 | ||||
Married | 110 (72.4) | 86 (83.5) | 40 (65.6) | 53 (72.6) | ||
Non-Married | 42 (27.6) | 17 (16.5) | 21 (34.4) | 20 (27.4) | ||
Employment status n (%) | 0.475 | 0.194 | ||||
Full time | 126 (82.9) | 90 (88.2) | 49 (80.3) | 65 (90.3) | ||
Part time | 8 (5.3) | 3 (2.9) | 3 (4.9) | 3 (4.2) | ||
Not working | 18 (11.8) | 9 (8.8) | 9 (14.8) | 4 (5.6) | ||
Monthly income n (%) | 0.742 | 0.302 | ||||
< $3000 | 70 (51.5) | 52 (55.3) | 19 (36.5) | 34 (50.0) | ||
$3000-$5000 | 44 (32.4) | 30 (31.9) | 25 (48.1) | 24 (35.3) | ||
> $5000 | 22 (16.2) | 12 (12.8) | 8 (15.4) | 10 (14.7) | ||
Live births n (%) | 0.263 | 0.549 | ||||
Nulliparous | 95 (62.9) | 57 (55.9) | 50 (82.0) | 56 (77.8) | ||
Primi-/Multi-parous | 56 (37.1) | 45 (44.1) | 11 (18.0) | 16 (22.2) | ||
Smoking n (%) | 0.926 | 0.109 | ||||
Smoker | 8 (5.3) | 5 (5.0) | 2 (3.4) | 8 (11.6) | ||
Non-smoker | 144 (94.7) | 95 (95.0) | 56 (96.6) | 61 (88.4) | ||
Alcohol intake n (%) | 0.467 | 0.118 | ||||
Drink | 64 (47.8) | 35 (42.7) | 30 (58.8) | 24 (43.6) | ||
Non-drinker | 70 (52.2) | 47 (57.3) | 21 (41.2) | 31 (56.4) | ||
Coffee intake n (%) | 0.413 | 0.100 | ||||
Never | 34 (25.4) | 16 (19.5) | 14 (27.5) | 8 (14.5) | ||
Occasional | 92 (68.7) | 58 (70.7) | 35 (68.6) | 40 (72.7) | ||
Frequent (> 1 cup per day) | 8 (6.0) | 8 (9.8) | 2 (3.9) | 7 (12.7) | ||