Table 2 Participant demographics (n = 279)
From: INSIGHT responsive parenting intervention and infant feeding practices: randomized clinical trial
|  | RP (n = 140) | Control (n = 139) |
|---|---|---|
Infant | ||
 Male sex, N (%) | 75 (53.6) | 69 (49.6) |
 Gestational age (weeks), mean (SD) | 39.6 (1.2) | 39.5 (1.1) |
 Birth weight (kg), mean (SD) | 3.40 (0.43) | 3.46 (0.43) |
 Birth length (cm), mean (SD) | 50.9 (2.4) | 51.0 (2.1) |
Mother | ||
 Age (years), mean (SD) | 28.7 (4.6) | 28.7 (4.9) |
 Pre-pregnancy BMI, mean (SD) | 25.5 (5.0) | 25.3 (5.6) |
 Gestational weight gain (kg), mean (SD) | 15.6 (6.4) | 15.0 (6.0) |
 Diabetes during pregnancy, N (%) | 6 (4.3) | 13 (9.4) |
 Smoked during pregnancy, N (%) | 12 (8.6) | 9 (6.5) |
Race, N (%) | ||
 Black | 10 (7.1) | 7 (5.0) |
 White | 122 (87.1) | 127 (91.4) |
 Native Hawaiian or Pacific Islander | 1 (0.7) | 0 (0) |
 Asian | 5 (3.6) | 4 (2.9) |
 Other | 2 (1.4) | 1 (0.7) |
Ethnicity, N (%) | ||
 Hispanic/Latino | 12 (8.6) | 7 (5.0) |
Marital status, N (%) | ||
 Married | 102 (72.9) | 108 (77.7) |
 Not married, living with partner | 25 (17.9) | 19 (13.7) |
 Single | 12 (8.6) | 12 (8.6) |
 Divorced/separated | 1 (0.7) | 0 (0) |
Annual household income, N (%) | ||
  < $10,000 | 6 (4.3) | 5 (3.6) |
 $10,000–$24,999 | 10 (7.1) | 10 (7.2) |
 $25,000–$49,999 | 5 (3.6) | 23 (16.6) |
 $50,000–$74,999 | 46 (32.9) | 26 (18.7) |
 $75,000–$99,999 | 32 (22.9) | 23 (16.6) |
 $100,000 or more | 32 (22.9) | 43 (30.9) |
 Do not know or refuse to answer | 9 (6.4) | 9 (6.4) |
Education, N (%) | ||
 HS graduate or less | 16 (11.4) | 16 (11.5) |
 Some college | 37 (26.4) | 36 (25.9) |
 College graduate | 48 (34.3) | 52 (37.4) |
 Graduate degree + | 39 (27.9) | 35 (25.2) |