Table 3.

Operating Engineers' evaluation of the interventions (N = 293)

VariableTotalEducation onlyEducation and textsEducation and mailed sunscreenEducation, texts, and mailed sunscreenKruskal–Wallis
N = 293 (100%)N = 80 (27.3%)N = 69 (23.6%)N = 67 (22.9%)N = 77 (26.3%)comparing differences among groups
Mean (SD)Mean (SD)Mean (SD)Mean (SD)Mean (SD)P
The educational presentation was easy to understand (n = 271)4.46 (0.58)4.57 (0.52)4.31 (0.56)4.46 (0.56)4.49 (0.65)0.0466
The educational presentation was helpful (n = 271)4.37 (0.67)4.45 (0.62)4.24 (0.69)4.33 (0.67)4.44 (0.69)0.1951
The text message reminders were helpful (n = 120)3.67 (1.19)n/a3.53 (1.22)n/a3.78 (1.17)0.2308
The mailed sunscreen was helpful (n = 133)4.48 (0.82)n/an/a4.41 (0.78)4.54 (0.86)0.0892
Overall, I was satisfied with the educational presentation (n = 271)4.40 (0.63)4.38 (0.56)4.26 (0.57)4.44 (0.64)4.50 (0.72)0.0319
Overall, I was satisfied with the text message reminders (n = 120)3.59 (1.21)n/a3.47 (1.27)n/a3.71 (1.15)0.3031
Overall, I was satisfied with the mailed sunscreen (n = 132)4.48 (0.80)n/an/a4.37 (0.83)4.57 (0.75)0.0899
The educational presentation increased the likelihood that I will use sunscreen (n = 271)4.03 (0.85)3.83 (0.93)3.98 (0.80)4.18 (0.71)4.17 (0.90)0.0316
The text message reminders increased the likelihood that I will use sunscreen (n = 119)3.56 (1.25)n/a3.33 (1.29)n/a3.75 (1.19)0.0663
The mailed sunscreen increased the likelihood that I will use sunscreen (n = 132)4.27 (0.87)n/an/a4.21 (0.85)4.33 (0.90)0.2473
I would recommend the sun safety intervention to others (n = 271)4.34 (0.68)4.26 (0.66)4.24 (0.62)4.48 (0.59)4.37 (0.82)0.0797