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. Author manuscript; available in PMC: 2020 Nov 1.
Published in final edited form as: Am J Hum Biol. 2019 Aug 5;31(6):e23299. doi: 10.1002/ajhb.23299

Table 2.

Bivariate associations between birth measures/factors and postnatal size/growth with TL

Telomere Length (T/S ratio)
Mean difference 95% CI p-value
Adult Characteristics
male v. female −0.03** (−0.04, −0.01) 0.0008
age at TL measurement, months −0.005** (−0.007, −0.003) < 0.0001
BMI, kg/m2 0.0007 (0.002, 0.003) 0.60
Socioeconomic Status
household assets index 0.002 (0.005, 0.001) 0.20
maternal education, years 0.0009 (0.003, 0.002) 0.42
Birth Measures/Factors
length-for-age, z-score 0.003 (0.004, 0.01) 0.36
length, cm 0.0006 (0.003, 0.004) 0.76
weight-for-age, z-score 0.01* (0.002, 0.02) 0.02
weight, kg 0.02 (0.0002, 0.04) 0.05
gestational age, weeks 0.002 (0.006, 0.002) 0.30
maternal age, years 0.002** (0.0006, 0.003) 0.006
Paternal age, years 0.003** (0.001, 0.004) 0.0001
maternal BMI, kg/m2 0.01 (0.02, 0.05) 0.42
Postnatal Size
6 months: height-for-age, z-score 0.0008 (0.006, 0.008) 0.82
6 months: weight-for-age, z-score 0.004 (0.003, 0.01) 0.24
12 months: height-for-age, z-score 0.007 (0.0003, 0.01) 0.06
12 months: weight-for-age, z-score 0.005 (0.003, 0.01) 0.24
24 months: height-for-age, z-score 0.004 (0.003, 0.01) 0.30
24 months: weight-for-age, z-score 0.001 (0.007, 0.009) 0.77
8.5 years: height-for-age, z-score 0.004 (0.004, 0.01) 0.30
8.5 years: weight-for-age, z-score 0.004 (0.004, 0.01) 0.33
Postnatal Growth
linear growth (CH)6m 0.004 (0.01, 0.004) 0.35
weight gain (CRW)6m 0.005 (0.003, 0.01) 0.25
linear growth (CH)12m 0.009* (0.001, 0.02) 0.03
weight gain (CRW)12m 0.003 (0.01, 0.006) 0.53
linear growth (CH)24m 0.0003 (0.008, 0.008) 0.93
weight gain (CRW)24m 0.006 (0.01, 0.002) 0.14
linear growth (CH)8.5yr 0.003 (0.005, 0.01) 0.41
weight gain (CRW)8.5yr 0.0003 (0.008, 0.008) 0.93
*

P < 0.05 indicated in bold font with single asterisk

**

double asterisk indicates P < 0.01