Table 1:

Demographic Characteristics of 501 Mother-Child Dyads in the TIDES Study with Complete Maternal Phthalate, Child Neurobehavioral Outcome, and Covariate Data for at Least One Trimester.

Characteristic	Mean (SD)	Median (Range)
Maternal age (years)	31.61 (5.31)	31.98 (18.25 – 44.26)
Pre-pregnancy BMI	25.56 (6.32)	23.49 (16.92 – 59.39)
Birth weight (kg)	3.34 (0.57)	3.32 (0.55 – 5.15)
Gestational age at birth (weeks)	39.22 (1.89)	39.57 (25.00 – 42.43)
Child age (years)	4.53 (0.34)	4.54 (3.93 – 5.95)
Maternal PHQ-9 Score	3.13 (3.71)	2 (0 – 23)
Maternal PSS-10 Score	14.26 (5.96)	14 (1 – 33)
Gestational age at urine collection:
Early pregnancy (weeks)	10.74 (2.08)	11.00 (5.14 – 20.43)
Late pregnancy (weeks)	32.60 (3.01)	32.00 (25.71 – 41.14)
Time of day of urine collection:
Early pregnancy	12:19 (2.49 hrs)	12:00 (07:30 – 19:50)
Late pregnancy	12:02 (2.70 hrs)	11:15 (07:45 – 18:00)
Characteristic	N (%)
Child Sex
M	243 (48.50%)
F	258 (51.50%)
Study Center
UCSF	142 (28.34%)
UMN	142 (28.34%)
URMC	126 (25.15%)
UW	91 (18.16%)
Race
Asian	29 (5.59%)
Black	51 (10.18%)
Other	59 (11.78%)
White	363 (72.46%)
Income
≤ $25,000	101 (20.16%)
$25,001 – $75,000	135 (26.95%)
> $75,000	265 (52.89%)
Education
High School or less	59 (11.78%)
College	205 (40.92%)
Graduate School	237 (47.31%)
Parity
Primiparous	271 (54.09%)
Multiparous	230 (45.91%)
Alcohol Consumption During Pregnancy
No	435 (86.83%)
Yes	66 (13.17%)
Cigarette Use During Pregnancy
No	476 (95.01%)
Yes	25 (4.99%)