Table 2 Logistic regression analysis of UA variation and LBW
From: Association of maternal serum uric acid levels with LBW/SGA: a large retrospective cohort study
UA variation, μmol/L | Total(n=69,674) | LBW (n (%)) | Crude model | Adjusted model | ||
|---|---|---|---|---|---|---|
OR (95% CI) | P-value | OR (95% CI) | P-value | |||
Third-First | ||||||
Q1(<8.92) | 17,060 | 627(3.7) | ref | ref | ||
Q2(8.92-19.0) | 17,017 | 379(2.2) | 0.60(0.52,0.68) | <0.001 | 1.05(0.87,1.26) | 0.614 |
Q3(19.0-30.5) | 16,898 | 411(2.4) | 0.65(0.58,0.74) | <0.001 | 1.30(1.08,1.56) | 0.005 |
Q4(≥30.5) | 17,294 | 727(4.2) | 1.15(1.03,1.28) | 0.012 | 1.87(1.57,2.21) | <0.001 |
missing | 1405 | |||||
P for trend | 0.002 | <0.001 | ||||
Second-First | ||||||
Q1(<-34.7) | 11,000 | 474(4.3) | ref | ref | ||
Q2(-34.7-18.3) | 11,022 | 298(2.7) | 0.62(0.53,0.72) | <0.001 | 0.68(0.55,0.83) | <0.001 |
Q3(-18.3-3.25) | 10,887 | 308(2.8) | 0.65(0.56,0.75) | <0.001 | 0.56(0.45,0.69) | <0.001 |
Q4(≥-3.25) | 11,136 | 458(4.1) | 0.95(0.84,1.09) | 0.467 | 0.55(0.45,0.68) | <0.001 |
missing | 25,629 | |||||
P for trend | 0.582 | <0.001 | ||||
Third-Second | ||||||
Q1(<15.5) | 10,930 | 443(4.1) | ref | ref | ||
Q2(15.5-39.0) | 10,871 | 264(2.4) | 0.59(0.50,0.69) | <0.001 | 0.98(0.78,1.24) | 0.893 |
Q3(39.0-66.0) | 11,070 | 279(2.5) | 0.61(0.53,0.71) | <0.001 | 1.30(1.04,1.62) | 0.021 |
Q4(≥66.0) | 11,126 | 513(4.6) | 1.14(1.00,1.30) | 0.042 | 1.95(1.59,2.39) | <0.001 |
missing | 25,677 | |||||
P for trend | 0.02 | <0.001 | ||||