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Table 3 Creatinine corrected dialkylphosphate metabolite urinary concentrations (mean of 16w and 26w measures) by maternal and child characteristics

From: Impact of low-level gestational exposure to organophosphate pesticides on neurobehavior in early infancy: a prospective study

Characteristic Value N DE DM DAP
    G-Meana 95% CI G-Mean a 95% CI G-Mean a 95% CI
Sex Female (ref) 187 9.0 7.1 – 11.4 46.3 37.8 – 56.6 71.1 59.5 – 84.9
Male 163 9.9 7.9 – 12.4 46.6 37.8 – 57.4 76.4 64 – 91.3
Race Non-Black (ref) 246 10.7 8.8 – 13.0 55.6 47.1 – 65.5 87.7 76.2 – 101
Black 104 6.9 * 5.1 – 9.4 30.3 * 23 – 40 48.4 * 37.9 – 61.8
Maternal education ≤ HS graduate (ref) 74 6.6 4.6 – 9.4 27.9 20 – 38.9 44.7 33.7 – 59.4
Some college 91 6.3 4.4 – 9 33.3 26.1 – 42.4 51.8 41.5 – 64.7
College graduate 107 11.4 * 8.5 – 15.3 65.9 * 52 – 83.5 101.3 * 82 – 125
Graduate/Professional degree 78 16.1 * 12.4 – 21.1 68.5 * 49.4 – 95.1 114.1 * 88.5 – 147.2
Marital status Married (ref) 235 11.4 9.4 – 13.8 58.1 49.2 – 68.8 91.3 79 – 105.6
Not married, living with partner 48 7.0 4.3 –11.6 25.0 * 16.9 – 37.1 44.5 * 31.1 – 63.6
Not married, living alone 67 5.9 * 4.0 –8.5 32.8 * 23.3 – 46.2 49.2 * 37.0 – 65.5
Maternal employment Not employed (ref) 62 6.8 4.3 – 10.5 32.9 23.4 – 46 51.8 37.8 – 71.1
Employed 288 10.1 8.5 – 12 50.0 * 42.6 – 58.6 79.3 * 69.2 – 90.8
Fresh fruit & vegetable intake < Daily (ref) 135 7.0 5.3 – 9.2 33.6 26.8 – 42.1 53.7 44 – 65.4
≥ Daily 215 11.3 * 9.3 – 13.9 56.9 * 47.4 – 68.3 89.6 * 76.5 – 104.9
Organic Use None (ref) 188 8.6 6.8 – 10.8 38.0 31.1 – 46.5 63.1 53 – 75.1
Any 162 10.4 8.2 – 13.2 58.5 * 47.7 – 71.7 87.8 * 73.4 – 105
  1. a G-Mean = Geometric Mean in nmol/g creatinine, * indicates significant difference compared to reference group (p < 0.05).