Table 4.

Weighted frequencies for past 7-day social media and lifetime smartphone use by peer crowd and current vaping status.

	Full sample (%)	Hip Hop peer crowd				Popular peer crowd
		Not in crowd (%)	In crowd (%)	In crowd non-user (%)	In crowd user (%)	Not in crowd (%)	In crowd (%)	In crowd non-user (%)	In crowd user (%)
Social media use
Facebook	60.6	61.9	58.4	58.9	56.9	61.4	60.2	60.7	58.2
Instagram	86.6	86.7	86.4	83.7	94.4 **	83.4	88.6 **	86.5	95.8 ***
Pinterest	24.6	26.4	21.5 *	20.8	23.6	22.8	25.7	26.3	23.8
Snapchat	83.9	81.7	88.0 **	85.3	95.8 ***	77.2	87.9 ***	85.7	95.8 ***
Tumblr	17.2	18.4	15.0	14.4	16.7	22.8	13.9***	13.6	15.0
Twitter	41.6	43.8	37.6*	34.0	48.6 **	38.1	43.7 *	43.8	43.5
Smartphone use
Apps that automatically delete messages	79.9	78.8	81.7	81.3	82.7	76.4	81.8 *	80.3	87.5 *
Messaging apps	42.8	43.5	41.5	42.3	39.4	46.8	40.6 *	41.2	38.2
Online shopping	85.4	84.6	86.9	86.4	88.4	84.9	85.7	83.8	92.3 **
Sports scores or analysis	40.6	37.5	46.5 ***	43.1	56.4 **	31.6	45.9 ***	43.1	55.8 **
Stream movies or TV	79.7	78.7	81.9	81.8	81.3	73.3	83.5 ***	82.4	87.5
Stream music	87.4	87.1	88.1	86.2	93.5 *	84.2	89.2 **	88.7	91.3
Video call/chat	84.0	83.0	86.0	83.4	92.8 **	81.9	85.2	83.8	90.4 *

Boldface indicates statistical significance (P < .05).

^*P < .05; **P < .01; ***P < .001.