Skip to main content
. 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 3.

Adjusteda Associations of Trimester-specific Air Pollutant Exposure with VABS, MSEL, and CSS Scores

Prenatal Air Pollutant Exposureb (N=325)
NO2 95% CI O3 95% CI PM10 95% CI PM2.5 95% CI NRAP 95% CI
First Trimester VABS Composite score −7.56% (−11.9%, −0.80%)* −2.19% (−6.85%, 2.49%) −0.80% (−8.26%, 6.71%) −0.35% (−5.17%, 4.51%) −0.96% (−9.03%, 7.12%)
VABS Communication Subscale −8.57% (−16.0%, −1.01%)* −1.78% (−7.12%, 3.58%) 0.49% (−8.05%, 9.10%) −0.03% (−5.55%, 5.53%) −1.87% (−11.1%, 7.38%)
VABS Dependent Living Subscale −5.09% (−11.0%, 0.81%) −2.03% (−6.17%, 2.12%) −1.82% (−8.44%, 4.84%) −0.07% (−4.35%, 4.24%) −0.26% (−7.42%, 6.92%)
VABS Socialization Subscale −8.40% (−14.8%, −1.92%)* −0.36% (−4.96%, 4.26%) −1.11% (−8.45%, 6.28%) −1.57% (−6.30%, 3.20%) −4.40% (−12.3%, 3.53%)
VABS Motor Skills Subscale −2.21 (−5.16, 0.73) −1.06 (−3.13, 1.00) −0.37 (−3.67, 2.93) −0.22 (−2.36, 1.91) 1.25 (−2.31, 4.81)
MSEL Composite DQ −4.92 (−8.65, −1.19)* −0.32 (−1.94, 1.29) −0.67 (−3.14, 1.79) −1.37 (−4.03, 1.29) −0.49 (−1.63, 0.64)
MSEL Verbal DQ −6.30 (−10.6, −2.04)* 0.08 (−2.94, 3.10) −1.61 (−6.43, 3.21) −1.99 (−5.10, 1.12) −3.82 (−9.01, 1.36)
MSEL Non Verbal DQ −3.53 (−7.15, 0.08) −1.13 (−3.67, 1.41) −0.70 (−4.76, 3.36) −0.81 (−3.44, 1.81) −0.12 (−4.50, 4.26)
ADOS CSS −0.03 (−0.29, 0.24) 0.04 (−0.14, 0.23) −0.11 (−0.41, 0.18) −0.06 (−0.25, 0.13) 0.07 (−0.25, 0.39)
Second Trimester VABS Composite score −7.93% (−13.1%, −0.23%)* −1.31% (−5.54%, 2.94%) −2.58% (−10.7%, 5.56%) −2.17% (−8.23%, 3.93%) 1.44% (−6.65%, 9.55%)
VABS Communication Subscale −8.43% (−17.1%, 0.35%) −0.55% (−5.40%, 4.31%) −2.05% (−11.3%, 7.28%) −1.47% (−8.40%, 5.54%) 1.78% (−7.47%, 11.1%)
VABS Dependent Living Subscale −5.83% (−12.6%, 1.00%) −1.22% (−4.98%, 2.55%) 0.74% (−6.46%, 7.99%) −0.65% (−6.04%, 4.79%) 2.03% (−5.15%, 9.22%)
VABS Socialization Subscale −8.05% (−15.5%, −0.52%)* −0.17% (−4.34%, 4.02%) −3.62% (−11.6%, 4.37%) −2.39% (−8.34%, 3.62%) −0.91% (−8.86%, 7.06%)
VABS Motor Skills Subscale −2.40 (−5.81, 1.01) −0.84 (−2.71, 1.03) −0.64 (−4.23, 2.95) −0.83 (−3.52, 1.86) 1.12 (−2.44, 4.69)
MSEL Composite DQ −4.94 (−9.27, −0.61)* −0.20 (−1.67, 1.26) −0.71 (−3.39, 1.97) −1.08 (−4.43, 2.28) −0.29 (−1.43, 0.84)
MSEL Verbal DQ −6.15 (−11.1, −1.20)* −0.34 (−3.08, 2.39) −1.89 (−7.12, 3.35) −1.45 (−5.38, 2.48) −2.21 (−7.42, 2.99)
MSEL Non Verbal DQ −3.73 (−7.92, 0.46) −0.32 (−2.62, 1.98) −0.55 (−4.96, 3.86) −0.75 (−4.06, 2.56) −0.14 (−4.53, 4.25)
ADOS CSS 0.11 (−0.19, 0.42) 0.11 (−0.06, 0.28) 0.21 (−0.11, 0.53) 0.02 (−0.22, 0.26) 0.03 (−0.29, 0.35)
Third Trimester VABS Composite score −1.76% (−6.93%, 4.01%) 3.60% (−1.24%, 8.46%) 8.24% (1.31%, 15.2%)* −0.91% (−5.96%, 4.18%) 0.88% (−6.81%, 8.60%)
VABS Communication Subscale −3.29% (−10.7%, 4.15%) 3.41% (−2.13%, 8.98%) 7.36% (−0.60%, 15.4%) −1.19% (−6.97%, 4.64%) −0.17% (−8.97%, 8.66%)
VABS Dependent Living Subscale −1.62% (−7.36%, 4.17%) 2.15% (−2.15%, 6.47%) 5.26% (−0.91%, 11.5%) −0.78% (−5.28%, 3.74%) 2.06% (−4.78%, 8.91%)
VABS Socialization Subscale 1.48% (−4.90%, 7.91%) 2.84% (−1.92%, 7.62%) 10.1% (3.31%, 16.9%)* 1.12% (−3.87%, 6.14%) −0.82% (−8.38%, 6.76%)
VABS Motor Skills Subscale −0.92 (−3.78, 1.95) 1.37 (−0.77, 3.50) 2.56 (−0.50, 5.62) −0.71 (−2.95, 1.53) 1.03 (−2.37, 4.43)
MSEL Composite DQ −1.81 (−5.46, 1.84) 0.53 (−1.14, 2.21) 1.70 (−0.59, 3.98) −0.40 (−3.20, 2.39) −0.60 (−1.68, 0.48)
MSEL Verbal DQ −2.59 (−6.76, 1.59) 0.35 (−2.77, 3.47) 2.28 (−2.19, 6.76) −0.43 (−3.70, 2.84) −2.74 (−7.69, 2.21)
MSEL Non Verbal DQ −1.03 (−4.56, 2.50) 1.40 (−1.23, 4.02) 3.52 (−0.24, 7.28) −0.40 (−3.15, 2.36) −2.10 (−6.27, 2.08)
ADOS CSS 0.15 (−0.10, 0.41) −0.06 (−0.25, 0.13) 0.17 (−0.11, 0.44) 0.12 (−0.08, 0.32) 0.18 (−0.12, 0.49)
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