Table 1.

Descriptive data stratified by alcohol consumption.

Variables		Did not consume (N = 2,784)	Alcohol consumption change						X 2
			Unchangeda		Increasedb		Decreasedc
			(N = 38)		(N = 79)		(N = 31)
		n	n	%	n	%	n	%
Sex
	Male	578	11	28.9	21	26.6	15	48.4	5.07
	Female	2,206	27	71.1	58	73.4	16	51.6
Age
	Early adolescent	343	8	21.1	9	11.4	3	9.7	3.05
	Mid adolescent	619	5	13.2	11	13.9	3	9.7
	Late adolescent	1,822	25	65.8	59	74.7	25	80.6
Education
	Up to junior high	858	12	31.6	18	22.8	7	22.6	1.45
	High school	1,734	23	60.5	52	65.8	20	64.5
	Higher studies	192	3	7.9	9	11.4	4	12.9
Occupation
	Non-university students	1,580	24	63.2	48	60.8	12	38.7	11.24
	University students	1,107	12	31.6	24	30.4	17	54.8
	Employed	96	2	5.3	7	8.9	1	3.2
	NEETd	1	0	0.0	0	0.0	1	3.2
Household monthly income
	Low	989	12	31.6	40	50.6	8	25.8	21.09**
	Lower middle	1,242	11	28.9	31	39.2	13	41.9
	Upper Middle	417	6	15.8	7	8.9	4	12.9
	High	136	9	23.7	1	1.3a,c	6	19.4
Adults within household
	0	33	1	2.6	3	3.8	2	6.5	0.67
	1–2	936	14	36.8	26	32.9	8	25.8
	3–5	1,562	20	52.6	43	54.4	18	58.1
	>5	253	3	7.9	7	8.9	3	9.7
Region
	Implemented PSBBe	2,368	34	89.5	68	86.1	20	64.5	5.97
	Has not implemented PSBBe	416	4	10.5	11	13.9	11	35.5
Physical distancing
	Practiced	2,678	36	94.7	75	94.9	30	96.8	0.2
	Did not practice	106	2	5.3	4	5.1	1	3.2
Positive/suspect case in household
	Yes	98	2	5.3	2	2.5	1	3.2	0.59
	No	2,686	36	94.7	77	97.5	30	96.8
AUDIT cat
	Normal		22	57.9b,c	68	86.1a,c	9	29.0a,b	35.53***
	Harmful alcohol use		3	7.9	3	3.8	3	9.7
	Likelihood of any alcohol disorder		13	34.2	8	10.1a,c	19	61.3
PSQI
	Normal	1,517	20	52.6	53	67.1	14	45.2	5.22
	Poor sleep quality	1,267	18	47.4	26	32.9	17	54.8
Emotional problems
	Close to average	1,583	21	55.3	50	63.3	18	58.1	8.81
	Slightly raised	370	1	2.6	9	11.4	2	6.5
	High	260	4	10.5	3	3.8	5	16.1
	Very high	571	12	31.6	17	21.5	6	19.4
Conduct problems
	Close to average	2,510	34	89.5	69	87.3	25	80.6	5.87
	Slightly raised	168	0	0.0	3	3.8	3	9.7
	High	45	1	2.6	2	2.5	2	6.5
	Very high	61	3	7.9	5	6.3	1	3.2
Hyperactivity
	Close to average	2,124	33	86.8	62	78.5	21	67.7	16.82**
	Slightly raised	359	3	0.8	12	15.2	6	19.4a,b
	High	199	2	1.0	5	6.3	3	9.7
	Very high	102	0	0.0	0	0.0	1	3.2
Peer problems
	Close to average	2,310	31	81.6	62	78.5	26	83.9	8.63
	Slightly raised	254	1	2.6	11	13.9	1	3.2
	High	162	5	13.2	4	5.1	2	6.5
	Very high	58	1	2.6	2	2.5	2	6.5
Prosocial behaviors
	Close to average	243	7	18.4	16	20.3	6	19.4	2.46
	Slightly decreased	166	4	10.5	5	6.3	1	3.2
	Low	262	6	15.8	8	10.1	4	12.9
	Very low	2,113	21	55.3	50	63.3	20	64.5

^a,b,c Significant difference Bonferroni corrected;

^d not in employment, education, or training;

^e large-scale social distancing;

^** p ≤ 0.01;

^***p ≤ 0.001.