Table 1.
Demographic characteristics
| No malaria in pregnancy (16 668) | First trimester malaria (945) | p value | ||
|---|---|---|---|---|
| Age, years* | 27 (7; 13–52) | 26 (7; 13–45) | <0·0001 | |
| Teenagers, <20 years of age* | 2416 (15%) | 189 (20%) | <0·0001 | |
| Number of pregnancies† | 3 (2–5; 1–17) | 3 (1–5; 1–13) | 0·0171 | |
| Parity‡ | 2 (1–3; 0–13) | 1 (0–3; 0–10) | 0·0002 | |
| Women in their first pregnancy† | 3369 (20%) | 257 (27%) | <0·0001 | |
| Smokers§ | 4095 (30%) | 225 (37%) | 0·0002 | |
| Previous miscarriage¶ | 4759 (29%) | 315 (33%) | 0·002 | |
| Smoking by age category | ||||
| 13–20 years | 3587 (22%) | 280 (30%) | <0·0001 | |
| 21–25 years | 4154 (25%) | 226 (24%) | 0·5098 | |
| 26–30 years | 4230 (25%) | 199 (21%) | 0·0029 | |
| ≥31 years | 4696 (28%) | 240 (25%) | 0·0690 | |
| Non-malaria febrile illness* | 293 (2%) | 15 (2%) | 0·7855 | |
| Antimalarial Treatment | ||||
| Chloroquine | NA | 429 (45%) | .. | |
| Quinine | NA | 390 (41%) | .. | |
| Artemisinin derviative | NA | 92 (10%) | .. | |
| Mefloquine | NA | 32 (3%) | .. | |
| Other or unknown | NA | 2 (<1%) | .. | |
| Median number of antenatal consultations for women with delivery | 26 (13–29; 1–40) | 24 (4–26; 1–37) | <0·0001 | |
| Miscarriage | 3198 (19%) | 329 (35%) | <0·0001 | |
Data are mean (SD; range), median (IQR; range), or number (%). NA=not applicable.
*
Data missing for one patient in no malaria group.
†
Data missing for 27 patients in the no malaria group and one patient in malaria group.
‡
Data missing for 36 patients in the no malaria group and one patient in the malaria group.
§
Data missing for 2887 patients in the no malaria group and 336 patients in the malaria group.
¶
Data missing for 104 patients in the no malaria group and three patients in the malaria group.