Table 3. Demographic characteristics and driving profiles of drivers with different infractions (n = 178).

Variable	Positive breathalyzer (n = 34)	Refused breathalyzer (n = 72)	Other reasons (n = 72)	p-value
Sex, male*	32 (94.1)	62 (86.1)	65 (89.3)	0.434
Age†	36 [28.0-46.5]	32 [26.2-42.7]	32.5 [25.2-39.7]	0.274
Education, 12+ years*	9 (26.5)	24 (33.3)	20 (27.8)	0.687
Monthly income (R$)†‡	2500 [1500-4500]	3000 [1500-5000]	2200 [1600-3500]	0.332
Vehicle*
Car/pickup	24 (70.6)	65 (90.3)	59 (81.9)
Motorcycle or similar	6 (17.6)	4 (5.6)	8 (11.1)	0.162
Truck or bus	4 (11.8)	3 (4.2)	12 (6.7)
Driver’s license*	34 (100.0)	67 (93.1)	59 (81.9)§	0.008
Drove daily*	21 (61.8)	54 (75)	41 (59.9)	0.068

* Data expressed as absolute and relative frequencies, n (%), and compared using the chi-squared test.

^† Data expressed as median [interquartile range] and compared using the Kruskal-Wallis test.

^‡ At the time of data collection, US$ 1.00 = R$ 3.20.

^§ Adjusted residual > |2|.