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. 2017 May 19;12(5):e0177777. doi: 10.1371/journal.pone.0177777

Table 1. Demographic characteristics.

Variable Total (N = 741) Control (N = 369) Experimental (N = 372) P-value*
Age 18–29 299 (40.4) 148 (40.1) 151 (40.6) 0.742
30–44 216 (29.1) 104 (28.2) 112 (30.1)
45+ 226 (30.5) 117 (31.7) 109 (29.3)
Gender Male 17 (2.3) 13 (3.5) 3 (1.1) 0.026
Female 724 (97.7) 356 (96.5) 368 (98.9)
Race/Ethnicity Non-Hispanic White 624 (84.2) 309 (83.7) 315 (84.7) 0.932
Non-Hispanic Black 59 (8.0) 31 (8.4) 28 (7.5)
Hispanic 25 (3.4) 14 (3.8) 11 (3.0)
Non-Hispanic Asian 15 (2.0) 7 (1.9) 8 (2.1)
Non-Hispanic Other 18 (2.4) 8 (2.2) 10 (2.7)
Education High School 197 (26.6) 94 (25.5) 103 (27.7) 0.851
CDA 101 (13.6) 52 (14.1) 49 (13.2)
Associates 149 (20.1) 75 (20.3) 74 (19.9)
Bachelors 229 (30.9) 112 (30.3) 117 (31.4)
Masters 65 (8.8) 36 (9.8) 29 (7.8)
Employment Permanent Full-Time 534 (72.1) 258 (69.9) 276 (74.2) 0.431
Permanent Part-Time 169 (22.8) 90 (24.4) 79 (21.2)
Substitute Teacher 6 (0.8) 5 (1.4) 1 (0.3)
Seasonal 28 (3.8) 14 (3.8) 14 (3.8)
Volunteer 0 (0.0) 0 (0.0) 0 (0.0)
Other 4 (0.5) 2 (0.5) 2 (0.5)
Parent/Guardian Yes 452 (61.0) 225 (61.0) 227 (61.0) 0.990
No 289 (39.0) 144 (39.0) 145 (39.0)
Previously Trained Yes 582 (78.5) 288 (78.1) 294 (79.0) 0.744
No 159 (21.5) 81 (21.9) 78 (21.0)
Work Environment Rural 206 (27.8) 102 (27.6) 104 (28.0) 0.659
Suburban 371 (50.1) 190 (51.5) 181 (48.6)
Urban 164 (22.1) 77 (20.9) 87 (23.4)
Work Setting Home 20 (2.7) 10 (2.7) 10 (2.7) 0.995
Commercial 110 (14.8) 54 (14.6) 56 (15.1)
Non-Commercial 414 (55.9) 209 (56.7) 205 (55.1)
Head Start 62 (8.4) 30 (8.1) 32 (8.6)
Religious 102 (13.8) 51 (13.8) 51 (13.7)
Other 33 (4.4) 15 (4.1) 18 (4.8)
Years as Practitioner <1 68 (9.2) 39 (10.6) 29 (7.8) 0.820
1–2 112 (15.1) 57 (15.4) 55 (14.8)
3–5 145 (19.6) 68 (18.4) 77 (20.7)
6–10 154 (20.8) 76 (20.6) 78 (21.0)
11–15 75 (10.1) 36 (9.8) 39 (10.5)
>15 187 (25.2) 93 (25.2) 94 (25.2)

* Chi-square test, exact test used if needed