Table 2.
A comparison between pregnant women with and without restless legs syndrome
| Variable total (n=742) | Mean±SD/n (%) | P | |
|---|---|---|---|
| No RLS (n=519) | RLS (n=223) | ||
| Age (years) | 28.8±5.3 | 30.1±5.9 | 0.006 |
| BMI (kg/m2) | 29.6±6.4 | 30.1±5.8 | 0.211 |
| Smoking | 7 (1.3) | 11 (5) | 0.004 |
| Educational level | |||
| Illiterate | 11 (2.1) | 4 (1.9) | 0.384 |
| General education | 209 (40.3) | 101 (45.3) | |
| High education | 299 (57.6) | 118 (53) | |
| Parity | 1.4±1.6 | 1.8±1.9 | 0.01 |
| Primigravida (0) | 188 (36.3) | 67 (30.2) | 0.02 |
| Grand (1-3) | 274 (52.7) | 116 (52) | |
| Multiparty (>3) | 57 (11) | 40 (18) | |
| Anemia (Hb <110 g/L) | 153 (29.5) | 90 (40.3) | 0.004 |
| Vitamin D deficiency | 66 (12.7) | 47 (21) | 0.005 |
| Diabetes mellitus | 52 (10) | 52 (23.3) | <0.001 |
| None | 467 (90) | 171 (76.7) | 0.002 |
| Type I | 4 (0.7) | 1 (0.4) | |
| Type II | 5 (1) | 7 (3.1) | |
| Gestational | 43 (8.3) | 44 (19.7) | |
| Hypertension | 11 (2.6) | 12 (3.7) | 0.388 |
| Hypothyroidism | 32 (7.6) | 18 (5.6) | 0.275 |
| Medications | |||
| Iron | 361 (69.5) | 172 (77.1) | 0.02 |
| Multivitamin | 232 (44.8) | 11 (49.3) | 0.2 |
| Folic acid | 189 (36.4) | 93 (41.7) | 0.128 |
| Calcium | 286 (55.2) | 141 (63.2) | 0.026 |
| Vitamin D | 59 (11.4) | 45 (20.2) | 0.001 |
SD=Standard deviation, BMI=Body mass index, Hb=Hemoglobin, RLS=Restless legs syndrome