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Table 1 Mean differences for baseline characteristics between study respondents and non-respondents in the Tehran lipid and glucose study

From: Adolescent metabolic syndrome and its components associations with incidence of type 2 diabetes in early adulthood: Tehran lipid and glucose study

  Respondents Non-respondents Mean difference P-value
Age (years) 14.5 ± 2.8 14.7 ± 2.8 0.16 0.125
Body mass index (kg /m2) 20.5 ± 4.2 20.8 ± 4.7 0.29 0.088
WC (cm) 70.3 ± 10.8 71.5 ± 11.8 1.17 0.007
SBP (mmHg) 105.3 ± 11.8 105.5 ± 11.9 0.49 0.261
DBP (mmHg) 70.8 ± 9.4 71.1 ± 9.0 0.28 0.426
HDL-C (mg/dl) 42.9 ± 10.1 42.6 ± 10.4 − 0.24 0.540
TGs (mg⁄dl) 96 (71–132) 92 (69–128) − 0.55 0.806
FPG (mg⁄dl) 88.0 ± 7.8 87.6 ± 8.0 − 0.47 0.116
Female (%) 54.3 50.2   0.025
  1. Respondents were defined as those with full data and have at least one follow-up and non-respondents were defined as those with missing data and those who did not have any follow-up
  2. Data are given as the mean ± SD or median (IQ 25–75) unless otherwise indicated