Table 1 Socio-demographic and reproductive characteristics of the study population according to types of migraine in Lima, Peru (N = 2922)
From: Migraine and the risk of post-traumatic stress disorder among a cohort of pregnant women
Characteristics | All participants (N = 2922) | No migraine (N = 1943) | Probable migraine (N = 613) | Migraine (N = 366) | P-value | ||||
|---|---|---|---|---|---|---|---|---|---|
n | % | n | % | n | % | n | % | ||
Age (years) a | 28.12 ± 6.31 | 28.30 ± 6.31 | 27.76 ± 6.30 | 27.76 ± 6.27 | 0.093 | ||||
Age (years) | |||||||||
18–19 | 154 | 5.3 | 102 | 5.2 | 33 | 5.4 | 19 | 5.2 | 0.549 |
20–29 | 1642 | 56.2 | 1068 | 55.0 | 359 | 58.6 | 215 | 58.7 | |
30–34 | 602 | 20.6 | 411 | 21.2 | 115 | 18.8 | 76 | 20.8 | |
≥ 35 | 524 | 17.9 | 362 | 18.6 | 106 | 17.3 | 56 | 15.3 | |
Education (years) | |||||||||
≤ 6 | 123 | 4.2 | 77 | 4.0 | 27 | 4.4 | 19 | 5.2 | 0.142 |
7–12 | 1599 | 54.8 | 1058 | 54.5 | 356 | 58.4 | 185 | 50.7 | |
> 12 | 1194 | 40.9 | 806 | 41.5 | 227 | 37.2 | 161 | 44.1 | |
Pre-pregnancy self-reported BMI | |||||||||
< 18.5 | 30 | 1.2 | 18 | 1.1 | 9 | 1.7 | 3 | 1.0 | 0.777 |
18.5–24.9 | 1298 | 53.3 | 865 | 54.1 | 270 | 51.8 | 163 | 51.9 | |
25–29.9 | 851 | 34.9 | 545 | 34.1 | 189 | 36.3 | 117 | 37.3 | |
> 30 | 256 | 10.5 | 172 | 10.8 | 53 | 10.2 | 31 | 9.9 | |
Early pregnancy measured BMI | |||||||||
< 18.5 | 54 | 1.9 | 26 | 1.4 | 23 | 3.8 | 5 | 1.4 | 0.001 |
18.5–24.9 | 1405 | 48.6 | 935 | 48.6 | 278 | 45.9 | 192 | 53.0 | |
25–29.9 | 1073 | 37.1 | 707 | 36.7 | 240 | 39.6 | 126 | 34.8 | |
> 30 | 361 | 12.5 | 257 | 13.4 | 65 | 10.7 | 39 | 10.8 | |
Mestizo ethnicity | 2194 | 75.2 | 1454 | 74.9 | 491 | 80.1 | 249 | 68.2 | <0.001 |
Married/living with a partner | 2360 | 81.1 | 1566 | 80.9 | 498 | 81.6 | 296 | 81.1 | 0.927 |
Employed | 1351 | 46.3 | 953 | 49.1 | 244 | 39.8 | 154 | 42.1 | <0.001 |
Difficulty paying for basics | |||||||||
Hard | 1449 | 49.6 | 905 | 46.6 | 340 | 55.5 | 204 | 55.7 | <0.001 |
Not very hard | 1471 | 50.4 | 1036 | 53.4 | 273 | 44.5 | 162 | 44.3 | |
Difficulty paying for medical care | |||||||||
Hard | 1532 | 52.6 | 937 | 48.4 | 372 | 60.7 | 223 | 61.1 | <0.001 |
Not very hard | 1382 | 47.4 | 999 | 51.6 | 241 | 39.3 | 142 | 38.9 | |
Nulliparous | 1425 | 48.9 | 971 | 50.2 | 289 | 47.2 | 165 | 45.1 | 0.129 |
Planned pregnancy | 1206 | 41.6 | 823 | 42.6 | 252 | 41.4 | 131 | 36.1 | 0.067 |
Gestational age at interview a | 9.23 ± 3.46 | 9.28 ± 3.49 | 9.14 ± 3.40 | 9.11 ± 3.42 | 0.545 | ||||
Intimate partner violence b | 1064 | 36.5 | 648 | 33.4 | 243 | 39.8 | 173 | 47.7 | <0.001 |
Childhood abuse | |||||||||
No abuse | 827 | 28.3 | 590 | 30.4 | 161 | 26.3 | 76 | 20.8 | <0.001 |
Physical only | 1135 | 38.8 | 761 | 39.2 | 237 | 38.7 | 137 | 37.4 | |
Sexual only | 230 | 7.9 | 155 | 8.0 | 41 | 6.7 | 34 | 9.3 | |
Both physical and sexual | 730 | 25.0 | 437 | 22.5 | 174 | 28.4 | 119 | 32.5 | |
PTSD (PCL-C ≥26) | 1093 | 37.4 | 585 | 30.1 | 276 | 45.0 | 232 | 63.4 | <0.001 |
Depression (PHQ-9) | 799 | 27.6 | 435 | 22.6 | 193 | 31.7 | 171 | 47.2 | <0.001 |