Table 3.
The association between birth weight and hypertension based on binary logistic regression
| Birth weight, g | High SBP, n (%) | OR1 (95% CI)a | P1c | OR2 (95% CI)b | P2d | High DBP, n (%) | OR1 (95% CI)a | P1c | OR2 (95% CI)b | P2d | Hypertension, n (%) | OR1 (95% CI)a | P1c | OR2 (95% CI)b | P2d | ||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Normal | Abnormal | Normal | Abnormal | Normal | Abnormal | ||||||||||||||
| Total | < 2000 | 201 (85.2) | 35 (14.8) | 2.17 (1.46–3.23) | < 0.001 | 2.33 (1.53–3.50) | < 0.001 | 223 (94.5) | 13 (5.5) | 1.07 (0.58–1.96) | .832 | 1.10 (0.60–2.03) | .750 | 200 (84.7) | 36 (15.3) | 1.75 (1.19–2.58) | .005 | 1.85 (1.25–2.74) | .002 |
| 2000–2499 | 440 (89.8) | 50 (10.2) | 1.47 (1.05–2.05) | .024 | 1.53 (1.08–2.15) | .015 | 460 (93.9) | 30 (6.1) | 1.46 (0.96–2.23) | .077 | 1.46 (0.96–2.24) | .079 | 427 (87.1) | 63 (12.9) | 1.51 (1.12–2.04) | .007 | 1.57 (1.15–2.13) | .004 | |
| 2500–2999 | 2226 (92.8) | 172 (7.2) | Ref | – | Ref | – | 2294 (95.7) | 104 (4.3) | Ref | – | Ref | – | 2184 (91.1) | 214 (8.9) | Ref | – | Ref | – | |
| 3000–3499 | 5965 (92.6) | 480 (7.4) | 1.04 (0.87–1.25) | .675 | 0.98 (0.82–1.18) | .835 | 6114 (95.3) | 301 (4.7) | 1.08 (0.86–1.36) | .499 | 1.02 (0.81–1.29) | .864 | 5831 (90.5) | 614 (9.5) | 1.08 (0.91–1.27) | .375 | 1.02 (0.86–1.20) | .823 | |
| 3500–3999 | 3679 (89.8) | 416 (10.2) | 1.42 (1.18–1.71) | < 0.001 | 1.28 (1.06–1.55) | .010 | 3866 (94.4) | 229 (5.6) | 1.25 (0.98–1.59) | .067 | 1.13 (0.89–1.44) | .323 | 3606 (88.1) | 489 (11.9) | 1.34 (1.13–1.59) | .001 | 1.22 (1.02–1.45) | .025 | |
| ≥4000 | 1460 (88.0) | 200 (14.8) | 1.65 (1.33–2.05) | < 0.001 | 1.42 (1.14–1.77) | .002 | 1564 (94.2) | 96 (5.8) | 1.31 (0.98–1.75) | .064 | 1.12 (0.84–1.50) | .429 | 1418 (85.4) | 242 (14.6) | 1.64 (1.35–2.00) | < 0.001 | 1.42 (1.16–1.74) | .001 | |
| Boys | < 2000 | 107 (86.3) | 17 (13.7) | 1.69 (0.96–2.96) | .098 | 1.87 (1.05–3.33) | .033 | 118 (95.2) | 6 (4.8) | 0.77 (0.32–1.86) | .567 | 0.83 (0.34–2.01) | .682 | 107 (86.3) | 17 (13.7) | 1.39 (0.80–2.41) | .251 | 1.51 (0.86–2.66) | .155 |
| 2000–2499 | 191 (88.0) | 26 (12.0) | 1.42 (0.89–2.26) | .136 | 1.47 (0.91–2.38) | .117 | 203 (93.5) | 14 (6.5) | 1.23 (0.67–2.25) | .511 | 1.24 (0.67–2.30) | .497 | 186 (85.7) | 31 (14.3) | 1.45 (0.94–2.23) | .093 | 1.51 (0.96–2.35) | .072 | |
| 2500–2999 | 972 (91.2) | 94 (8.8) | Ref | – | Ref | – | 1009 (94.7) | 57 (5.3) | Ref | – | Ref | – | 955 (89.6) | 111 (10.4) | Ref | – | Ref | – | |
| 3000–3499 | 2814 (91.2) | 270 (8.8) | 1.01 (0.79–1.29) | .956 | 0.93 (0.73–1.20) | .596 | 2923 (94.8) | 161 (5.2) | 0.98 (0.72–1.34) | .914 | 0.92 (0.67–1.26) | .608 | 2747 (89.1) | 337 (10.9) | 1.07 (0.85–1.34) | .550 | 1.00 (0.80–1.27) | .973 | |
| 3500–3999 | 2091 (89.0) | 259 (11.0) | 1.29 (1.01–1.65) | .045 | 1.15 (0.89–1.48) | .288 | 2207 (93.9) | 143 (6.1) | 1.14 (0.83–1.57) | .405 | 1.02 (0.74–1.41) | .903 | 2048 (87.1) | 302 (12.9) | 1.28 (1.01–1.61) | .040 | 1.14 (0.90–1.45) | .266 | |
| ≥4000 | 947 (87.8) | 131 (12.2) | 1.40 (1.06–1.85) | .019 | 1.21 (0.91–1.62) | .185 | 1016 (94.2) | 62 (5.8) | 1.10 (0.76–1.60) | .618 | 0.95 (0.65–1.38) | .781 | 915 (84.9) | 163 (15.1) | 1.53 (1.18–1.98) | .001 | 1.32 (1.02–1.72) | .038 | |
| Girls | < 2000 | 94 (83.9) | 18 (16.1) | 3.06 (1.73–5.41) | < 0.001 | 3.14 (1.76–5.60) | < 0.001 | 105 (93.8) | 7 (6.2) | 1.50 (0.65–3.48) | .359 | 1.51 (0.65–3.51) | .338 | 93 (83.0) | 19 (17.0) | 2.33 (1.34–4.02) | .003 | 2.37 (1.36–4.12) | .002 |
| 2000–2499 | 249 (91.2) | 24 (8.8) | 1.56 (0.96–2.53) | .069 | 1.62 (0.99–2.64) | .054 | 257 (94.1) | 16 (5.9) | 1.74 (0.96–3.13) | .066 | 1.73 (0.96–3.13) | .069 | 241 (88.3) | 32 (11.7) | 1.62 (1.05–2.45) | .029 | 1.66 (1.08–2.54) | .022 | |
| 2500–2999 | 1254 (94.1) | 78 (5.9) | Ref | – | Ref | – | 1285 (96.5) | 47 (3.5) | Ref | – | Ref | – | 1229 (92.3) | 103 (7.7) | Ref | – | Ref | – | |
| 3000–3499 | 3151 (93.8) | 210 (6.2) | 1.08 (0.82–1.41) | .594 | 1.03 (0.79–1.35) | .830 | 3221 (95.8) | 140 (4.2) | 1.19 (0.85–1.67) | .311 | 1.13 (0.81–1.60) | .473 | 3084 (91.8) | 277 (8.2) | 1.08 (0.85–1.36) | .541 | 1.03 (0.81–1.31) | .794 | |
| 3500–3999 | 1588 (91.0) | 157 (9.0) | 1.59 (1.20–2.11) | .001 | 1.46 (1.10–1.95) | .009 | 1659 (95.1) | 86 (4.9) | 1.38 (0.96–1.98) | .087 | 1.26 (0.87–1.82) | .215 | 1558 (89.3) | 187 (10.7) | 1.43 (1.11–1.84) | .006 | 1.32 (1.02–1.70) | .035 | |
| ≥4000 | 513 (88.1) | 69 (11.9) | 2.11 (1.50–2.97) | < 0.001 | 1.81 (1.28–2.57) | .001 | 548 (94.2) | 34 (5.8) | 1.42 (0.89–2.25) | .023 | 1.42 (0.90–2.26) | .135 | 503 (86.4) | 79 (13.6) | 1.84 (1.35–2.51) | < 0.001 | 1.58 (1.15–2.18) | .004 | |
SBP Systolic blood pressure, DBP Diastolic blood pressure, SD Standard deviation, SE Standard error, OR Odds ratio, CI Confidence interval, Ref Reference
aCalculated in the binary logistic regression analysis after adjusting for age, gestational age, area of residence, season of birth
bAdditional adjustment for BAZ.
cbased on OR1; reference: birth weight at 2500–2999 g
dbased on OR2; reference: birth weight at 2500–2999 g