Table 2.
Descriptive statistics: Mean ± standard deviation (SD) or n (%) of demographical characteristics of all participants randomized to condition.
| Variables | Transportation Safety Group (n = 34) | Dog Safety Group (n = 35) | p-Value |
|---|---|---|---|
| Child’s age (years) a | 5.1 ± 0.6 | 5.0 ± 0.6 | 0.344 |
| Mother’s age (years) a | 35.4 ± 5.1 | 37.0 ± 5.3 | 0.202 |
| Father’s age (years) a | 39.1 ± 7.0 | 39.1 ± 6.2 | 0.986 |
| Gender (% male) b | 21 (61.8%) | 12 (34.3%) | 0.022 |
| Ethnicity c | 0.256 | ||
| African American | 10 (30.3%) | 6 (17.1%) | |
| Caucasian | 19 (57.6%) | 27 (77.1%) | |
| Other | 4 (12.1%) | 2 (5.7%) | |
| Mother’s education c | 0.090 | ||
| High School Diploma or less | 2 (5.9%) | 0 (0.0%) | |
| Some college/Associate’s Degree | 10 (29.4%) | 4 (11.4%) | |
| Bachelor’s Degree | 9 (26.5%) | 15 (42.9%) | |
| Post-Graduate/Graduate Degree | 13 (38.2%) | 16 (45.7%) | |
| Father’s education c | 0.786 | ||
| High School Diploma or less | 5 (15.6%) | 3 (8.6%) | |
| Some college/Associate’s Degree | 5 (15.6%) | 7 (20.0%) | |
| Bachelor’s Degree | 9 (28.1%) | 12 (34.3%) | |
| Post-Graduate/Graduate Degree | 13 (40.6%) | 13 (37.1%) | |
| Family Income c | 0.357 | ||
| Below 40,000 USD | 8 (25.8%) | 3 (8.8%) | |
| 40,000–59,000 USD | 6 (19.4%) | 6 (17.7%) | |
| 60,000–79,000 USD | 2 (6.5%) | 2 (5.9%) | |
| 80,000–99,000 USD | 5 (16.1%) | 5 (14.7%) | |
| Above 100,000 USD | 10 (32.3%) | 18 (52.9%) | |
| Number of adults in home c | 0.280 | ||
| 1 | 9 (26.5%) | 5 (14.7%) | |
| 2 | 22 (64.7%) | 28 (82.4%) | |
| 3 | 3 (8.8%) | 1 (2.9%) | |
| Number of children in home b | 0.730 | ||
| 1 | 5 (14.7%) | 7 (20.6%) | |
| 2 | 20 (58.8%) | 17 (50.0%) | |
| 3 or more | 9 (26.5%) | 10 (29.4%) |
a Two sample t test; b Chi-Square test; c Fisher’s exact test.