Table 3.

Sunscreen Use and Sunburn History

Question	Overall	Rural		Urban		P Valuea
	N	N	% weighted	N	% weighted
What is the SPF number of the sunscreen you use MOST often?
SPF 1–14	220	61	10.4	159	17.2	< .001
SPF 15–49	708	283	52.2	425	50.0
SPF 50+	509	222	37.4	287	32.8
sum	1437	566	100	871	100
During the past 12 months, how many times have you had a sunburn?
Burns, 0	27	9	3.8	18	6.6	< .001
Burns, 1	158	71	37.8	87	37.2
Burns, 2	117	59	27.4	58	26.0
Burns, 3	59	25	10.9	34	16.1
Burns, 4+	67	39	20.0	28	14.1
sum	428	203	100	225	100
About how many blistering sunburns have you gotten in your life?
Blistering burns, 0	76	23	3.3	53	9.9	< .001
Blistering burns, 1	165	55	10.6	110	23.7
Blistering burns, 2	183	95	19.1	88	21.4
Blistering burns, 3+	468	299	67	169	45
sum	892	472	100	420	100
How old were you the first time you got a blistering sunburn?
<5 years old	59	30	5.7	29	6.6	< .001
5–15 years old,	454	284	61.2	170	43.2
15–24 years old,	286	130	27.4	156	37.1
≥ 25 years old	85	25	5.7	60	13.1
sum	884	469	100	415	100

^aWeighted Pearson’s χ² test-based P value