Table 4. Sample characteristics (CSTS).

	TUPE (N = 27892)		Non-TUPE (N = 20089)
	%	95% CI	%	95% CI
Gender
Male	49.1	(48.1–50.0)	49.6	(48.6–50.6)
Female	50.9	(50.0–51.9)	50.4	(49.4–51.4)
Age
11–13	19.8	(18.9–20.7)	22.0	(21.0–22.9)
14–16	46.5	(45.5–47.4)	43.4	(42.4–44.4)
17–19	33.7	(32.9–34.6)	34.6	(33.7–35.5)
Grade
8	28.5	(27.5–29.5)	29.7	(28.7–30.7)
10	38.0	(37.1–38.8)	36.0	(35.0–37.0)
12	33.6	(32.7–34.4)	34.3	(33.4–35.2)
Race
NH-White	16.2	(15.5–16.8)	16.1	(15.4–16.8)
NH-Black	3.9	(3.5–4.3)	3.3	(2.9–3.7)
Hispanic	49.7	(48.7–50.6)	61.5	(60.5–62.5)
NH-Asian	16.2	(15.5–16.9)	7.9	(7.3–8.4)
NH-AI/AN	0.3	(0.2–0.4)	0.3	(0.2–0.4)
NH-NHOPI	1.1	(0.9–1.2)	0.7	(0.5–0.8)
NH-Other	2.9	(2.6–3.2)	2.2	(1.9–2.5)
NH-Multiple race	9.8	(9.3–10.4)	8.0	(7.4–8.6)
Pocket money
$0	40.0	(39.1–40.9)	36.0	(35.0–37.0)
$1–10	18.8	(18.1–19.6)	21.3	(20.5–22.2)
$11–50	26.7	(25.8–27.5)	27.3	(26.4–28.2)
$50+	14.5	(13.9–15.1)	15.3	(14.7–16.0)
Academic Performance
A's & B's	56.4	(55.5–57.3)	51.9	(50.9–53.0)
B's & C's	29.1	(28.2–30.0)	32.2	(31.2–33.1)
C's & D's	10.0	(9.4–10.5)	10.9	(10.3–11.6)
D's & F's	3.6	(3.3–4.0)	3.9	(3.5–4.3)
No letter grade	0.9	(0.7–1.1)	1.1	(0.9–1.3)
Days missed school
0	43.8	(42.8–44.7)	40.8	(39.7–41.8)
1–5	45.6	(44.7–46.6)	48.4	(47.4–49.5)
6+	10.6	(10.0–11.2)	10.8	(10.2–11.4)

Source: California Student Tobacco Survey (CSTS), 2015–2016