Table 2.
Risk of small for gestational age, low birth weight, and prematurity for infants born to women with tuberculosis-associated ICD-9 diagnosis during delivery hospitalization, Washington State, 1987–2012.
| Outcome | Maternal TB (N = 134) | No maternal TB (N = 536) | Unadjusted RR | Adjusted RR§ | ||
|---|---|---|---|---|---|---|
| n (%) | n (%) | uRR | (95% CI) | aRR | (95% CI) | |
| Birth weight (grams) | ||||||
| LBW (<2,500) | 15 (11.9) | 24 (4.5) | 2.64 | (1.34–5.20) | 3.74 | (1.40–10.00) |
| Typical (2,500–3,999) | 105 (78.4) | 443 (82.7) | 1.00 | Referent | 1.00 | Referent |
| Macrosomia (≥4,000) | 14 (10.5) | 69 (12.9) | 0.86 | (0.46–1.58) | 1.39 | (0.59–3.30) |
| Weight for gestational age∗ | ||||||
| SGA (<10%) | 21 (15.8) | 47 (8.9) | 1.95 | (1.11–3.41) | 1.96 | (0.91–4.22) |
| Typical (10–90%) | 100 (75.2) | 436 (82.4) | 1.00 | Referent | 1.00 | Referent |
| LGA (>90%) | 12 (9.0) | 46 (8.7) | 1.13 | (0.58–2.23) | 1.69 | (0.63–4.55) |
| Gestational age (weeks)∗ | ||||||
| <37 (preterm) | 13 (9.8) | 32 (6.0) | 1.74 | (0.89–3.43) | 1.01 | (0.39–2.58) |
| 37–41 | 112 (84.9) | 481 (90.9) | 1.00 | Referent | 1.00 | Referent |
| ≥42 (postterm) | 7 (5.3) | 16 (3.0) | 1.91 | (0.54–6.74) | 1.91 | (0.53–6.75) |
∗Numbers may not add up to totals due to missing data.
§Model adjusted for maternal age, income, parity, and maternal country of origin World Bank gross national income index category.