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第46卷第6期 屈 越,蒋梦婷,吕 红,等. 婴儿期条栅视力与3岁神经发育的前瞻性队列研究[J].
2026年6月 南京医科大学学报(自然科学版),2026,46(6):885-893 ·889 ·
表2 纳入人群与排除人群的一般特征比较
Table 2 Comparison of baseline characteristics between included and excluded participants
Characteristics Included population Excluded population t/χ 2 P
Parental characteristics 1 096 62
Maternal age(years,x ± s) 0 030.41 ± 3.76 0 031.02 ± 4.05 1.159 0.216
Pre⁃pregnancy BMI[n(%)] 1.498 0.683
<18.5 kg/m 2 0 158(14.4) 10(16.4)
18.5-23.9 kg/m 2 0 759(69.4) 38(62.3)
24.0-27.9 kg/m 2 0 137(12.5) 10(16.4)
≥28.0 kg/m 2 0 40(3.7) 3(4.9)
Household income[n(%)] 11.100 0.011
<50 000 yuan 0 60(5.6) 6(9.8)
50 000-<100 000 yuan 0 281(26.5) 14(23.0)
100 000-<200 000 yuan 0 498(46.9) 19(31.1)
≥200 000 yuan 0 223(21.0) 22(36.1)
Maternal education[n(%)] 0.001 0.999
<12 years 0 96(8.8) 5(8.2)
≥12 years 0 999(91.2) 56(91.8)
Mode of conception[n(%)] 0.001 0.999
Spontaneous 0 944(86.1) 53(85.5)
ART 0 152(13.9) 09(14.5)
Hypertensive disorders of pregnancy[n(%)] - <0.001
No 1 060(96.7) 55(88.7)
Chronic hypertension 0 07(0.6) 0(0.0)
Gestational hypertension 0 13(1.2) 5(8.1)
Preeclampsia 0 16(1.5) 2(3.2)
Diabetes mellitus in pregnancy[n(%)] - 0.420
No 0 793(72.4) 49(79.0)
Diabetes complicating pregnancy 0 12(1.1) 0(0.0)
Gestational diabetes mellitus 0 291(26.6) 13(21.0)
Infant characteristics 1 122 66
Sex[n(%)] 0.787 0.375
Boys 0 574(51.2) 38(57.6)
Girls 0 548(48.8) 28(42.4)
Plurality[n(%)] 0.634 0.426
Singleton 1 056(94.1) 60(90.9)
Twins 0 66(5.9) 6(9.1)
Gestational age(weeks,x ± s) 0 039.31 ± 1.58 0 038.98 ± 1.63 -1.584 0.104
Preterm birth[n(%)] 0.821 0.365
No 1 032(93.1) 59(89.4)
Yes 0 77(6.9) 07(10.6)
Low birth weight infant[n(%)] - 0.407
No 1 071(95.5) 61(92.4)
Yes 0 51(4.5) 5(7.6)
Breastfeeding duration[n(%)] 1.921 0.383
<6 months 0 469(42.2) 23(35.4)
6-12 months 0 255(23.0) 14(21.5)
≥12 months 0 387(34.8) 28(43.1)
Age at visual acuity assessment(x ± s) 0 364.92 ± 8.04 0 365.38 ± 7.89 0.462 0.649
Age at neurodevelopmental assessment(x ± s) 1 095.59 ± 7.35 1 093.59 ± 9.33 -1.712 0.035

