Table 1 Characteristics of study sample included in final data analysis
Intervention group (n = 1662) | Control group (n = 1676) | |
|---|---|---|
Individual level | ||
Preschooler age in years (\(\bar{x}\pm s\)) | 4.8 ± 1.0 | 4.9 ± 1.0 |
Preschooler sex, n (%) | ||
Male | 859 (51.7) | 822 (49.0) |
Female | 803 (48.3) | 854 (51.0) |
Caregiver age in years (\(\bar{x}\pm s\)) | 36.9 ± 8.8 | 37.6 ± 9.0 |
Caregiver sex, n (%) | ||
Male | 386 (23.2) | 369 (22.0) |
Female | 1276 (76.8) | 1307 (78.0) |
Caregiver relationship to child, n (%) | ||
Father | 318 (19.1) | 295 (17.6) |
Mother | 1081 (65.1) | 1104 (65.9) |
Grandparent | 223 (13.4) | 235 (14.0) |
Other | 40 (2.4) | 42 (2.5) |
Caregiver education, n (%) | ||
College and above | 471 (28.3) | 519 (31.0) |
Senior high school | 616 (37.1) | 586 (35.0) |
Junior high school and below | 575 (34.6) | 571 (34.0) |
Household size, n (%) | ||
6 people and above | 382 (23.0) | 393 (23.5) |
4–5 people | 948 (57.0) | 949 (56.6) |
3 people and below | 332 (20.0) | 334 (19.9) |
Frequency of using other parenting apps, n (%) | ||
7 times or more per week | 53 (3.2) | 57 (3.4) |
3–6 times per week | 169 (10.2) | 154 (9.2) |
1–2 times per week | 375 (22.5) | 407 (24.3) |
Once every two weeks or less | 405 (24.4) | 440 (26.2) |
None | 660 (39.7) | 618 (36.9) |
Learning about child injury prevention in the 3 months, n (%) | ||
Yes | 1024 (61.6) | 1050 (62.6) |
No | 638 (38.4) | 626 (37.4) |
Cluster level | ||
Number of preschools | 12 | 12 |
Cluster size, median (P25-P75) | 142 (81–194) | 142 (118–196) |