Is a Chi-square test appropriate to use when comparing the percentage point change in the percent of parents feelings regarding their child's readiness to learn about sex from baseline to 12-months post-intervention between the treatment arms?

TABLE 2. Percentage of Parents Perceiving Their Children As Ready to Learn About Sex: Baseline and 12-Months Postintervention Reports and Change from Baseline to 12-Months Postintervention Control Brief Enhanced Count (%) Count (%) Count (%) Percentage Point Difference (95% Confidence Interval) (p Value) (N = 366) (N = 371) (N = 378) Brief vs. Control Enhanced vs. Control Enhance d vs. Brief Baseline 151 (41) 148 (40) 139 (37) 12-month postintervention 209 (57) 224 (60) 248 (66) Change from baseline to 58 (16) 76 (20) 109 (29) 5 (-1, 10) (p = 0.103) 13 (7, 19) (p