Table 3 Frequency of PBS adoption among...

Table 3

Frequency of PBS adoption among testers and nontesters

Protective behavioral strategies	Testers (N = 331)		Nontesters (N = 110)
Protective behavioral strategies	Mean	SD	Mean	SD	t-test result
I buy drugs from a reliable source	2.8	0.984	2.7	1.124	t(414) = 0.947, p = 0.344, d = 0.09
When I party, I avoid taking four or more alcoholic drinks in a 2-h time frame	2.5	1.237	2.5	1.238	t(414) = −0.408, p = 0.683, d = 0
I plan my drug use sessions instead of resorting to what I can get during the party	3.1	0.952	2.8	1.083	t(424) = 2.003, p = 0.046, d = 0.29
Before using a drug for the first time, I get information about it	3.6	0.808	3.6	0.696	t(432) = −0.431, p = 0.666, d = 0
I set a limit to the quantity I will take and try not to exceed it	3.1	0.952	2.8	1.073	t(434) = 2.671, p = 0.008, d = 0.30
I space out sessions/parties where I use drugs	2.4	1.291	2.2	1.282	t(411) = 1.430, p = 0.154, d = 0.16
When I use drugs, there is someone sober in the group to take care of the rest of us	1.8	1.030	2	1.058	t(431) = −0.622, p = 0.534, d = 0.19
I avoid consuming drugs with strangers and/or in environments where I do not feel comfortable	3	1.049	3	1.045	t(438) = −0.448, p = 0.655, d = 0
I prefer taking small doses instead of large quantities	2.8	0.921	2.7	1.023	t(445) = −0.1.202, p = 0. 230, d = 0.10
If I take powder or crystal ecstasy, I prepare it in “bombs”	1.9	1.416	2	1.530	t(387) = −0.493, p = 0.623, d = 0.07
When I am going to take a substance whose origin is unknown to me, I first take a test dose as a precaution	2.6	1.338	2.6	1.311	t(415) = 0.290, p = 0.772, d = 0
I wait for the effects of a drug to decrease before taking another one	3	0.975	2.8	0.984	t(427) = −0.1.443, p = 0.150, d = 0.20
When I drink alcohol, I avoid shots	2.8	1.165	2.9	1.139	t(408) = −0.744, p = 0.457, d = 0.08
I avoid injecting drugs	3.7	0.962	3.5	1.276	t(395) = 2.012, p = 0.045, d = 0.23
I alternate alcoholic and nonalcoholic beverages	2.6	1.180	2.6	1.195	t(412) = −0.063, p = 0.950, d = 0
I avoid, or I am very cautious, about mixing depressants (alcohol, GHB, opiates, etc.)	3.4	1.224	3.3	1.202	t(330) = 0.689, p = 0.491, d = 0.08
I avoid, or I am very cautious, about mixing stimulants (cocaine, methamphetamine, ecstasy, etc.)	2	1.093	2.3	1.287	t(402) = −2.395, p = 0. 017, d = 0.25
I avoid getting into a car when the driver is under the influence of alcohol or other drugs	3.3	0.992	3.2	1.042	t(435) = −0.543, p = 0. 588, d = 0.09
I avoid driving under the influence of alcohol or other drugs	3.5	0.921	3.4	1.013	t(407) = 0.651, p = 0. 515, d = 0.10
When I sniff a drug, I use my own tube and do not share it	2.1	1.309	2	1.307	t(315) = −0.970, p = 0.333, d = 0.07
If I am mixing drugs, the quantity of each of them I take is lower than if I take each of them separately	2.8	1.161	2.6	1.154	t(359) = 1.031, p = 0.303, d = 0.13

Protective behavioral strategies	Testers(N = 331)		Nontesters(N = 110)
Protective behavioral strategies	Mean	SD	Mean	SD	t-test result
I buy drugs from a reliable source	2.8	0.984	2.7	1.124	t(414) = 0.947, p = 0.344, d = 0.09
When I party, I avoid taking four or more alcoholic drinks in a 2-h time frame	2.5	1.237	2.5	1.238	t(414) = −0.408, p = 0.683, d = 0
I plan my drug use sessions instead of resorting to what I can get during the party	3.1	0.952	2.8	1.083	t(424) = 2.003, p = 0.046, d = 0.29
Before using a drug for the first time, I get information about it	3.6	0.808	3.6	0.696	t(432) = −0.431, p = 0.666, d = 0
I set a limit to the quantity I will take and try not to exceed it	3.1	0.952	2.8	1.073	t(434) = 2.671, p = 0.008, d = 0.30
I space out sessions/parties where I use drugs	2.4	1.291	2.2	1.282	t(411) = 1.430, p = 0.154, d = 0.16
When I use drugs, there is someone sober in the group to take care of the rest of us	1.8	1.030	2	1.058	t(431) = −0.622, p = 0.534, d = 0.19
I avoid consuming drugs with strangers and/or in environments where I do not feel comfortable	3	1.049	3	1.045	t(438) = −0.448, p = 0.655, d = 0
I prefer taking small doses instead of large quantities	2.8	0.921	2.7	1.023	t(445) = −0.1.202, p = 0. 230, d = 0.10
If I take powder or crystal ecstasy, I prepare it in “bombs”	1.9	1.416	2	1.530	t(387) = −0.493, p = 0.623, d = 0.07
When I am going to take a substance whose origin is unknown to me, I first take a test dose as a precaution	2.6	1.338	2.6	1.311	t(415) = 0.290, p = 0.772, d = 0
I wait for the effects of a drug to decrease before taking another one	3	0.975	2.8	0.984	t(427) = −0.1.443, p = 0.150, d = 0.20
When I drink alcohol, I avoid shots	2.8	1.165	2.9	1.139	t(408) = −0.744, p = 0.457, d = 0.08
I avoid injecting drugs	3.7	0.962	3.5	1.276	t(395) = 2.012, p = 0.045, d = 0.23
I alternate alcoholic and nonalcoholic beverages	2.6	1.180	2.6	1.195	t(412) = −0.063, p = 0.950, d = 0
I avoid, or I am very cautious, about mixing depressants (alcohol, GHB, opiates, etc.)	3.4	1.224	3.3	1.202	t(330) = 0.689, p = 0.491, d = 0.08
I avoid, or I am very cautious, about mixing stimulants (cocaine, methamphetamine, ecstasy, etc.)	2	1.093	2.3	1.287	t(402) = −2.395, p = 0. 017, d = 0.25
I avoid getting into a car when the driver is under the influence of alcohol or other drugs	3.3	0.992	3.2	1.042	t(435) = −0.543, p = 0. 588, d = 0.09
I avoid driving under the influence of alcohol or other drugs	3.5	0.921	3.4	1.013	t(407) = 0.651, p = 0. 515, d = 0.10
When I sniff a drug, I use my own tube and do not share it	2.1	1.309	2	1.307	t(315) = −0.970, p = 0.333, d = 0.07
If I am mixing drugs, the quantity of each of them I take is lower than if I take each of them separately	2.8	1.161	2.6	1.154	t(359) = 1.031, p = 0.303, d = 0.13

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