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Table 2 Demographic information and descriptive statistics

From: Time-varying associations between prenatal metal mixtures and rapid visual processing in children

Demographics Category N (%)
Total   393 (100)
Child gender Female 196 (50)
Male 197 (50)
Socioeconomic status Low 207 (53)
Medium or high 186 (47)
Maternal education Less than high school 163 (41)
More than high school 230 (59)
  Average + SD (range)
Maternal age at recruitment (years) 27.9 + 5.5 (18.0–44.0)
Child age at RVP assessment (years) 6.7 + 0.6 (6.0–9.7)
RVP: delay to correct response (milliseconds) 744 + 262 (199–1670)
RVP: percent correct (%) 30.0 + 19.5 (3.7–92.5)
  1. SD Standard deviation