Table 2.
Reproductive and general health characteristics of study population by above versus below mean digit ratioa.
| Characteristic | Right | Left | ||||||
|---|---|---|---|---|---|---|---|---|
| 2D:4D Digit Ratio | 2D:4D Digit Ratio | |||||||
| Total N = 170b | <mean | ≥mean | OR 95% CI/p | Total N = 171 | <mean | ≥mean | OR 95% CI/p | |
| Infertilityc | 33 (20.0) | 19 (20.9) | 14 (18.9) | 0.88 (0.41–1.91) | 33 (19.9) | 19 (20.7) | 14 (18.9) | 0.90 (0.42–1.94) |
| Bleeding during pregnancy | 29 (17.1) | 11 (11.8) | 18 (23.4) | 2.27 (1.00–5.17) | 29 (17.0) | 11 (11.8) | 18 (23.1) | 2.24 (0.98–5.08) |
| Menses characteristics | ||||||||
| Age at menarche (years) mean (±SD) | 164 | 12.8 (1.3) | 13.2 (1.5) | 0.04 | 165 | 12.8 (1.4) | 13.1 (1.4) | 0.21 |
| Cycle length (days)d mean (±SD) | 115 | 29.6 (5.3) | 30.8 (17.9) | 0.59 | 116 | 30.9 (15.9) | 29.2 (5.6) | 0.47 |
| Menses duration (days)d mean (±SD) | 103 | 5.1 (1.7) | 5.1 (1.4) | 0.95 | 103 | 5.3 (1.7) | 4.9 (1.4) | 0.29 |
| Menses bleedingd Heavier than normal | 12 (7.1) | 5 (5.5) | 7 (9.1) | 1.72 (0.52–5.66) | 12 (7.1) | 8 (8.8) | 4 (5.1) | 0.56 (0.16–1.94) |
| Dysmenorrhead | 66 (63.5) | 37 (60.7) | 29 (67.4) | 1.34 (0.59–3.05) | 66 (63.5) | 33 (55.9) | 33 (73.3) | 2.17 (0.94–5.00) |
| General health characteristicse | ||||||||
| Anemia | 50 (29.6) | 27 (29.3) | 23 (29.9) | 1.03 (0.53–1.99) | 50 (29.4) | 31 (33.7) | 19 (24.4) | 0.63 (0.32–1.24) |
| CVDf | 16 (9.4) | 7 (7.5) | 9 (11.7) | 1.63 (0.58–4.59) | 16 (9.4) | 6 (6.5) | 10 (12.8) | 2.13 (0.74–6.16) |
| Thyroid disordersg | 21 (12.4) | 12 (12.9) | 9 (11.7) | 0.89 (0.36–2.25) | 21 (12.3) | 11 (11.8) | 10 (12.8) | 1.10 (0.44–2.74) |
| Herpes | 22 (12.9) | 12 (12.9) | 10 (13.0) | 1.01 (0.41–2.48) | 22 (12.9) | 11 (11.8) | 11 (14.1) | 1.22 (0.50–3.00) |
| Migraine/Headache | 63 (37.3) | 35 (38.0) | 28 (36.4) | 0.93 (0.50–1.74) | 63 (37.1) | 35 (38.0) | 28 (35.9) | 0.91 (0.49–1.71) |
| Faint | 17 (10.0) | 10 (10.8) | 7 (9.1) | 0.83 (0.30–2.30) | 17 (9.9) | 9 (9.7) | 8 (10.3) | 1.07 (0.39–2.91) |
| Dizziness | 33 (19.4) | 20 (21.5) | 13 (16.9) | 0.74 (0.34–1.61) | 33 (19.3) | 21 (22.6) | 12 (15.4) | 0.62 (0.29–1.37) |
aAll numbers presented as n (%), unless otherwise stated.
bone outlier was excluded.
cInfertility defined as having at least one of the following: endometriosis, time to pregnancy >1 year, any fertility treatment in current or previous pregnancy.
dIncluding only women who did not use contraceptives in the last year.
eData presented include variables with at least 10% women with the outcome.
fCardiovascular disease (CVD) defined as having at least one of the following: hypertension, cholesterol or triglycerides, congestive heart failure or stroke, hypertension in current pregnancy.
gThyroid disorders defined as having at least one of the following: hypothyroidism or hyperthyroidism throughout life, hypothyroidism, hyperthyroidism or other thyroid disorder in current pregnancy.