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. 2020 Jan 8;15(1):e0227398. doi: 10.1371/journal.pone.0227398

Table 1. Comparisons of demographic characteristics of early childcare professionals.

Phase II: RWS Phase I: RCT Difference p-value
Sample Size 11,065 741 10,324
Age 18–29 5309 (48.0%) 299 (40.4%) 7.6% <0.001
30–44 2912 (26.3%) 216 (29.1%) -2.8%
45+ 2844 (25.7%) 226 (30.5%) -4.8%
Gender Male 1210 (10.9%) 17 (2.3%) 8.6% <0.001
Female 9855 (89.1%) 724 (97.7%) -8.6%
Race/Ethnicity Non-Hispanic White 7605 (68.7%) 624 (84.2%) -15.5% <0.001
Non-Hispanic Black 2296 (20.8%) 59 (8.0%) 12.8%
Hispanic 658 (6.0%) 25 (3.4%) 2.6%
Asian 227 (2.1%) 15 (2.0%) 0.1%
Other 279 (2.4%) 18 (2.4%) 0.0%
Education Below High School 82 (0.7%) 0 (0.0%) 0.7% <0.001
High School or GED 4611 (41.7%) 197 (26.6%) 15.1%
Child Development Associate (CDA) 765 (6.9%) 101 (13.6%) -6.7%
Associates 1483 (13.4%) 149 (20.1%) -6.7%
Bachelors 2983 (27.0%) 229 (30.9%) -3.9%
Masters or Doctoral 1141 (10.3%) 65 (8.8%) 1.5%
Employment Permanent Full-Time 6276 (56.7%) 534 (72.1%) -15.4% <0.001
Permanent Part-Time 2943 (26.6%) 169 (22.8%) 3.8%
Contract for special services 177 (100.0%) 0 (0.0%) 100.0%
Substitute Teacher 206 (1.9%) 6 (0.8%) 1.1%
Seasonal 793 (7.2%) 28 (3.8%) 3.4%
Volunteer 334 (3.0%) 0 (0.0%) 3.0%
Other 336 (4.6%) 4 (0.5%) 4.1%
Parent/Guardian Yes 6089 (55.0%) 452 (61.0%) -6.0% 0.002
No 4976 (45.0%) 289 (39.0%) 6.0%
Prior Trained Yes 7371 (66.6%) 582 (78.5%) -11.9% <0.001
No 3694 (33.4%) 159 (21.5%) 11.9%
Work Environment Rural 2191 (19.8%) 206 (27.8%) -8.0%
Suburban 4848 (43.8%) 371 (50.1%) -6.3% <0.001
Urban 4026 (36.4%) 164 (22.1%) 14.3%
Years as Practitioner <1 3272 (29.9%) 68 (9.2%) 20.7%
1–2 1652 (14.9%) 112 (15.1%) -0.2% <0.001
3–5 2034 (18.4%) 145 (19.6%) -1.2%
6–10 1657 (15.0%) 154 (20.8%) -5.8%
11–15 887 (8.0%) 75 (10.1%) -2.1%
>15 1563 (14.1%) 187 (25.2%) -11.1%
Primary job responsibilities Teacher/caregiving staff (infant–grade 4) 7049 (63.7%) 555 (75.0%) -11.3%
Early intervention specialist 184 (1.7%) 0 (0.0%) 1.7% <0.001
Support staff 651 (5.9%) 25 (3.4%) 2.5%
Director/Assistant Director 781 (7.1%) 95 (12.8%) -5.7%
Other 2400 (21.7%) 66 (8.8%) 12.9%
Religiosity Extremely unreligious 198 (1.8%) 10 (1.4%) 0.4%
Unreligious 689 (6.2%) 54 (7.4%) -1.2% <0.001
Somewhat unreligious 436 (3.9%) 13 (1.8%) 2.1%
Neutral 2568 (23.2%) 117 (15.9%) 7.3%
Somewhat religious 2503 (22.6%) 215 (28.8%) -6.2%
Religious 4017 (36.3%) 287 (38.9%) -2.6%
Extremely religious 654 (5.9%) 45 (5.9%) 0.0%