TABLE 1.
Infection, Febrile Episodes, and Antibiotic Use During Pregnancy Reported in the DNBC (N = 96 736)
| Factor | Interview Supplying Exposure Informationa | No. (%) of Exposed Children | No. (%) of Unexposed Children | No. (%) of Missing Valuesa |
|---|---|---|---|---|
| Febrile episode | I17gw,b I32gwb | 23 128 (24) | 61 482 (64) | 12 126 (13) |
| Urinary tract infection | I32gw,b I6ppb | 11 559 (12) | 57 017 (59) | 28 160 (29) |
| Cystitis | I32gw,b I6ppb | 11 367 (12) | 57 218 (59) | 28 151 (29) |
| Pyelonephritis | I32gw,b I6ppb | 435 (0) | 65 724 (68) | 30 577 (32) |
| Respiratory tract infection | I32gw,c I6ppc | 7392 (8) | 60 496 (63) | 28 414 (29) |
| Influenza | I32gw,c I6ppc | 808 (1) | 65 496 (68) | 30 432 (31) |
| Cough | I32gwb 14 | 012 (15) | 73 660 (76) | 9064 (9) |
| Vaginal yeast infection | I17gw,b I32gw,b I6ppc | 18 140 (19) | 66 574 (69) | 12 022 (12) |
| Venereal warts | I32gwb | 800 (1) | 86 891 (90) | 9045 (9) |
| Genital herpes | I32gwb | 1386 (1) | 86 295 (89) | 9055 (9) |
| Labial herpes | I32gwb | 10 899 (11) | 76 565 (79) | 9272 (10) |
| Use of any antibiotic | I32gw,b I6ppb | 18 076 (19) | 51 726 (53) | 26 277 (27) |
| Penicillins | I32gw,b,c I6ppb,c | 10 310 (11) | 51 726 (53) | 34 700 (36) |
| Macrolides | I32gw,b,c I6ppb,c | 1531 (2) | 51 726 (53) | 43 479 (45) |
| Tetracycline | I32gw,b,c I6ppb,c | 1193 (1) | 51 726 (53) | 43 479 (45) |
| Sulfonamides | I32gw,b,c I6ppb,c | 2314 (2) | 51 726 (53) | 42 696 (44) |
| Cephalosporin | I32gw,b,c I6ppb,c | 1133 (1) | 51 726 (53) | 43 877 (45) |
I17gw, interview at 17 gestational weeks; I32gw, interview at 32 gestational weeks; I6pp, interview at 6 months’ postpartum.
a
Missing value due to loss to follow-up, mother chose not to answer question, or mother did not know answer.
b
Information retrieved from specific questions.
c
Information retrieved from open-ended questions.