Reproducibility of the alcoholic beverages and illicit drug modules of the 2015 National Survey of School Health

Almeida, Camila Souza de; Andrade, Silmara Nunes; Abreu, Mery Natali Silva; Malta, Deborah Carvalho; Lana, Francisco Carlos Félix

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Original Article • Rev. esc. enferm. USP 54 • 2020 • https://doi.org/10.1590/S1980-220X2019014903660 copy

Reproducibility of the alcoholic beverages and illicit drug modules of the 2015 National Survey of School Health

Authorship SCIMAGO INSTITUTIONS RANKINGS

ABSTRACT

Objective:

To evaluate the reproducibility of the modules of use of alcoholic beverages and illicit drugs of the 2015 National Survey of School Health.

Method:

Cross-sectional epidemiological study aimed at evaluating the reproducibility of collection instruments, conducted in the city of Divinópolis, Minas Gerais. The sample consisted of students attending the 9^th grade of public and private primary schools in 2017. The reproducibility of the modules of use of alcohol and illicit drugs was applied to the sample and the retest occurred within 15 to 20 days with the same students. In the analysis of the test-retest agreement, the Kappa coefficient was used to analyze the nominal categorical variables; Kappa with linear weighting, in the analysis of ordinal categorical variables; and Intraclass Correlation Coefficient in the analysis of numerical variables.

Results:

Participation of 303 students. The agreement of responses was between satisfactory and moderate and there was no indicator with reasonable or poor agreement. Frequencies were close between the test-retest.

Conclusion:

The analyzed modules were satisfactory and considered replicable and reliable sources to support Public Policies and programs aimed at adolescents.

DESCRIPTORS
Adolescents; Alcohol Drinking; Illicit Drugs; Epidemiology; Reproducibility of Results

Question	Alternatives
1. Have you ever had a dose of alcoholic beverages (one serving is equivalent to a can of beer or a glass of wine or a dose of cachaça or whiskey etc.)?	□ Yes □ No
2. How old were you when you had your first dose of alcoholic beverage (one dose is equivalent to a can of beer or a glass of wine or a dose of cachaça or whiskey etc.)?	□ I never had alcohol □ 7 years of age or less □ 8 years □ 9 years □ 10 years □ 11 years	□ 12 years □ 13 years □ 14 years □ 15 years □ 16 years □ 17 years □ 18 years or older
3. IN THE LAST 30 DAYS, in how many days have you had at least a glass or a dose of alcoholic beverage (one dose is equivalent to a can of beer or a glass of wine or a dose of cachaça or whiskey etc.)?	□ No day in the last 30 days (0 day) □ 1 or 2 days in the last 30 days □ 3 to 5 days in the last 30 days □ 6 to 9 days in the last 30 days □ 10 to 19 days in the last 30 days □ 20 to 29 days in the last 30 days □ Every day in the last 30 days
4. IN THE LAST 30 DAYS, in the days that you had an alcoholic beverage, how many glasses or doses did you have per day?	□ I have not had any alcohol in the last 30 days (0 days) □ Less than a glass in the last 30 days □ 1 glass or 1 dose in the last 30 days □ 2 glasses or 2 doses in the last 30 days □ 3 glasses or 3 doses in the last 30 days □ 4 glasses or 4 doses in the last 30 days □ 5 glasses or more or 5 doses or more in the last 30 days
5. IN THE LAST 30 DAYS, most of the time, how did you get the drink you had?	□ I have not had any alcohol in the past 30 days □ I bought at the market, store, bar or supermarket □ I bought it from a street salesperson □ I gave money to someone who bought it for me □ I got it with my friends □ I took it at home without permission □ I got it from someone in my family □ At a party □ I got it by some other way
6. In your life, how many times have you drank so much that you felt really drunk?	□ Not once in a lifetime (0 times) □ 1 or 2 times in a lifetime □ 3 to 5 times in a lifetime □ 6 to 9 times in a lifetime □ 10 or more times in a lifetime
7. In your life, how many times have you had problems with your family or friends, missed classes or fought because you had drunk?	□ Not once in a lifetime (0 times) □ 1 or 2 times in a lifetime □ 3 to 5 times in a lifetime □ 6 to 9 times in a lifetime □ 10 or more times in a lifetime
8. How many of your friends consume alcohol?	□ None □ A few □ Some □ Most of them □ All □ I don't know

Question	Alternatives
1. Have you ever used a drug like: marijuana, cocaine, crack, glue, amil nitrate, poppers, ecstasy, oxy etc.?	□ Yes □ No [skip to 6]
2. How old were you when you used a drug like: marijuana, cocaine, crack, cola, glue, amil nitrate, poppers, ecstasy, oxy or another for the first time?	□ I never had drugs □ 7 years of age or less □ 8 years □ 9 years □ 10 years □ 11 years	□ 12 years □ 13 years □ 14 years □ 15 years □ 16 years □ 17 years □ 18 years or older
3. IN THE LAST 30 DAYS, in how many days have you used drugs like marijuana, cocaine, crack, glue, amil nitrate, poppers, ecstasy, oxy etc.?	□ No day in the last 30 days (0 day) □ 1 or 2 days in the last 30 days □ 3 to 5 days in the last 30 days □ 6 to 9 days in the last 30 days □ 10 or more days in the last 30 days
4. IN THE LAST 30 DAYS, in how many days have you used marijuana?	□ No days in the last 30 days (0 days) □ 1 or 2 days in the last 30 days □ 3 to 9 days in the last 30 days □ 10 or more days in the last 30 days
5. IN THE LAST 30 DAYS, in how many days have you used crack?	□ No days in the last 30 days (0 days) □ 1 or 2 days in the last 30 days □ 3 to 9 days in the last 30 days □ 10 or more days in the last 30 days
6. How many of your friends use drugs?	□ None □ A few □ Some □ Most of them □ All □ I don't know

	n	Percentual
Administrative dependence
State	218	71.9
Private	25	8.3
Municipal	60	19.8
Sex ^* * 1 interviewee without information (0.3%);
Male	158	52.3
Female	144	47.7
Color ^ 5 interviewees without information (1.7%);
White	118	39.6
Black	34	11.4
Asian	11	3.7
Brown	128	43.0
Indigenous	7	2.3
Age*
13 years	9	3.0
14 years	216	71.7
15 years	58	19.3
16 years	12	4.0
17 years	5	1.7
19 years or older	1	.3
Full time school ^* ***** 11 interviewees without information (3.6%);
Yes	18	6.2
Maternal educational level ^** *** 7 interviewees without information (2.3%).
Up to primary	74	34.7
High school	68	31.9%
Higher Education	71	33.3%

	1^st evaluation (n=303)		Retest (n=249)		Coefficient [95%CI]
	n	%	n	%	Coefficient [95%CI]
Had a dose of drink
No	150	50.3	112	45.2	0.76 [0.68; 0.84]^* * Kappa;
Yes	148	49.7	136	54.8
Age started drinking
Mean ± standard deviation	12,8 ± 1,9		12.6 ± 1.8		0.79 [0.69; 0.86]^ ICC;
Median (minimum - maximum)	13 (7 – 16)		13 (7 –16)
Number of days you drank in the previous 30 days
None	227	76.9	191	76.4	0.53 [0.40; 0.65]^* ***** Weighted Kappa.
1 to 2 days	45	15.3	35	14.0
3 days or more	23	7.8	24	9.6
Number of glasses taken in the previous 30 days
None	223	75.6	190	76.0	0.49 [0.37; 0.61]^* ***** Weighted Kappa.
Less than a glass	47	15.9	36	14.4
1 glass or 1 dose or more	25	8.5	24	9.6
Number of times you got drunk in life
None	236	81.4	199	79.6	0.65 [0.53; 0.77]^* ***** Weighted Kappa.
1 or 2 times	31	10.7	34	13.6
3 times or more	23	7.9	17	6.8
Number of times in life you had problems because of alcohol
None	273	91.9	224	90.0	0.32 [0.08; 0.57]^* * Kappa;
1 time or more	24	8.0	25	10.0
Friends drink
No	24	8.8	28	12.1	0.56 [0.37; 0.76]^* * Kappa;
Yes	249	91.2	204	87.9

	1¹ evaluation (n=303)		Retest (n=249)		Coefficient [95%CI]
	n	%	N	%	Coefficient [95%CI]
Has ever used drugs in life
Yes	23	7.7	19	7.8	0.69 [0.49; 0.89]^* * Kappa;
No	275	92.3	226	92.2
Age started using drugs
Mean ± standard deviation	13.3 ± 1.9		13.2 ± 1.8		0.93 [0.75; 0.98]^ ICC;
Median (minimum - maximum)	13 (8 – 16)		14 (7 – 15)
Number of days you used drugs in the previous 30 days
None	13	56.5	11	55.0	0.74 [0.39; 1.00]^* ***** Weighted Kappa;
1 to 2 days	4	17.4	3	15.0
3 days or more	6	26.1	6	30.0
Number of days you used marijuana in the previous 30 days
None	11	45.8	10	50.0	0.64 [0.27; 1.00]^* ***** Weighted Kappa;
1 to 2 days	7	29.2	5	25.0
3 days or more	6	25.0	5	25.0
Number of days you used crack in the previous 30 days
None	22	95.7	18	94.7	^** ****** Impossible to calculate because of low frequencies.
3 days or more	1	4.3	1	5.3
Friends use drugs
No	138	55.9	107	51.7	0.63 [0.52; 0.75]^* ***** Weighted Kappa;
Yes	109	44.1	100	48.3

Universidade de São Paulo, Escola de Enfermagem Av. Dr. Enéas de Carvalho Aguiar, 419 , 05403-000 São Paulo - SP/ Brasil, Tel./Fax: (55 11) 3061-7553, - São Paulo - SP - Brazil
E-mail: reeusp@usp.br

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[1] Corresponding author: Camila Souza de Almeida, Av. Prof. Alfredo Balena, 191 – Santa Efigênia CEP 30130-100 – Belo Horizonte, MG, Brazil. csalmeida_1@hotmail.com