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. Author manuscript; available in PMC: 2019 Jan 1.
Published in final edited form as: J Autism Dev Disord. 2018 Jan;48(1):137–150. doi: 10.1007/s10803-017-3304-0

Table 2.

Adjusteda Association of Air Pollutant Exposure During Entire Pregnancy and Year 1 of Life with VABS, MSEL, and CSS Scores

Time Score Air Pollutant Exposureb (N=325)

NO2 95% CI O3 95% CI PM10 95% CI PM2.5 95% CI NRAP 95% CI
Prenatal VABS Composite Score −11.0% (−17.0%, −1.45%)* −0.91% (−8.74%, 6.98%) 4.41% (−8.13%, 17.1%) −4.49% (−14.9%, 6.12%) −0.48% (−9.26%, 8.32%)
VABS Communication Subscale −13.3% (−23.7%, −2.71%)* 0.23% (−8.75%, 9.28%) 4.61% (−9.75%, 19.1%) −4.24% (−16.2%, 7.93%) −1.25% (−11.3%, 8.83%)
VABS Dependent Living Subscale −7.60% (−15.8%, 0.69%) −1.91% (−8.87%, 5.08%) 3.93% (−7.21%, 15.2%) −1.31% (−10.7%, 8.15%) 1.13% (−6.66%, 8.95%)
VABS Socialization Subscale −9.60% (−18.6%, −0.43%)* 1.60% (−6.13%, 9.38%) 4.64% (−7.71%, 17.1%) −4.12% (−14.4%, 6.33%) −2.71% (−11.3%, 5.94%)
VABS Motor Skills Subscale −3.49 (−7.64, 0.65) −0.91 (−4.38, 2.56) 1.61 (−3.94, 7.15) −2.35 (−7.02, 2.33) 0.70 (−3.18, 4.58)
MSEL Composite DQ −7.47 (−12.7, −2.21)* −0.06 (−2.78, 2.66) 0.47 (−3.67, 4.62) −4.30 (−10.1, 1.53) −0.68 (−1.91, 0.56)
MSEL Verbal DQ −9.72 (−15.7, −3.72)* 0.18 (−4.90, 5.27) −0.95 (−9.07, 7.18) −6.08 (−12.9, 0.74) −4.60 (−10.3, 1.06)
MSEL Non Verbal DQ −5.21 (−10.3, −0.12)* −0.39 (−4.66, 3.88) 2.56 (−4.25, 9.38) −2.72 (−8.47, 3.03) −0.81 (−5.58, 3.96)
ADOS CSS 0.15 (−0.23, 0.52) −0.39 (−4.66, 3.88) 0.22 (−0.27, 0.72) 0.05 (−0.36, 0.47) 0.11 (−0.23, 0.46)

Year 1 VABS composite score −14.6% (−20.9%, −3.71%)* 0.91% (−11.4%, 13.4%) −3.75% (−18.7%, 11.3%) −8.74% (−22.7%, 5.48%) 1.50% (−7.48%, 10.5%)
VABS Communication Subscale −18.0% (−29.5%, −6.38%)* 5.14% (−9.02%, 19.5%) −7.14% (−24.1%, 10.1%) −10.69% (−26.6%, 5.55%) 0.95% (−9.32%, 11.3%)
VABS Dependent Living Subscale −10.6% (−19.6%, −1.38%)* −1.54% (−12.5%, 9.51%) −7.14% (−20.3%, 6.20%) −10.04% (−22.4%, 2.53%) 3.01% (−4.96%, 11.0%)
VABS Socialization Subscale −11.7% (−21.7%, −1.51%)* 3.86% (−8.32%, 16.2%) 5.57% (−9.20%, 20.5%) 2.89% (−11.1%, 17.1%) −3.62% (−12.4%, 5.22%)
VABS Motor Skills Subscale −4.45 (−9.06, 0.16) −0.82 (−6.29, 4.65) −0.15 (−6.79, 6.49) −3.39 (−9.68, 2.90) 1.90 (−2.06, 5.86)
MSEL Composite DQ −9.62 (−15.4, −3.81)* 1.43 (−2.85, 5.71) −1.12 (−6.08, 3.83) −3.68 (−11.5, 4.17) −0.49 (−1.76, 0.77)
MSEL Verbal DQ −11.8 (−18.4, −5.12)* 3.36 (−4.62, 11.4) −4.41 (−14.1, 5.27) −6.74 (−15.9, 2.42) −2.67 (−8.46, 3.11)
MSEL Non Verbal DQ −7.48 (−13.1, −1.84)* 1.30 (−5.42, 8.03) 0.58 (−7.59, 8.74) −0.79 (−8.53, 6.96) −1.28 (−6.16, 3.59)
ADOS CSS 0.26 (−0.15, 0.67) −0.13 (−0.61, 0.36) −0.09 (−0.68, 0.50) −0.05 (−0.61, 0.51) 0.17 (−0.18, 0.53)
a

All models were adjusted for sex, max education in the home, referral center, race, mother’s age, prenatal smoking, season of conception and home ownership

b

Pollutant effects were scaled to 2 SD of the distribution of the pregnancy average exposure: 6.82 ppb for NO2, 11.1 ppb for O3, 11.6 µg/m3 for PM10, 6.97 µg/m3 for PM2.5, and 27.3 ppb for NRAP

*

p<0.05