Table 3.

Differences Between Early‐Onset (Middle School; MS) vs Later Adolescence (High School; HS) Sexters

Variable	MS (n = 82)	HS (n = 375)	Chi‐Square Tests of Independence
Send nudes more than one time per month to romantic partners
Yes	35.4	26.9	χ 2 (1) = 2.35
No	64.6	73.1	p = n.s.
			n = 457
Send nudes more than one time per month to people other than romantic partners
Yes	13.4	8.5	χ 2 (1) = 1.88
No	88.6	91.5	p = n.s. n = 457
Sexting makes me look critically at my body
Yes	75.0	66.4	χ 2 (1) = 4.23
No	22.0	33.6	p = .04 $\varphi$= .10* n = 457
During high school, did you ever see a therapist?
Yes	62.2	40.8	χ 2 (1) = 12.46
No	37.8	59.2	p < .001 $\varphi$= .17*** n = 457
Sexual activity in high school
Sex w/romantic partner only	35.4	45.1	χ 2 (3) = 22.01
Sex w/non‐dates only	23.2	15.7	p < .001
Sex w/both romantic partner and non‐dates	24.3	8.8	$V$= .22***
Not sexually active	17.1	30.4	n = 457
School education about sexting			χ 2 (2) = 8.34
Yes, and it impacted me	20.7	37.2	p = .015
Yes, but it did not impact me	40.2	34.2	$V$ = .14**
No	39.1	28.6	n = 457

*p < .05. **p < .01. ***p < .001.