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Outline
To explore the effectiveness of smoking control intervention guided by social network theory at a vocational college in Guangzhou City, so as to provide a reference for school smoking control intervention.
From April to May 2023, a combination of convenience sampling and cluster random sampling method was adopted to select 781 students from different majors in 4 campuses of a certain vocational college. They were randomly divided into a control group (422 students before intervention, 399 students after intervention) and an intervention group (359 students before intervention, 329 students after intervention). Based on social network theory, a 6-month tobacco control intervention was carried out in the intervention group by strengthening the existing tobacco control network connections in schools, establishing new control smoking social networks, and enhancing the role of the new control smoking social networks by members of the project team. Both the control group and intervention group received smoking control intervention in the school environment. The difference was compared by t test andχ2 test.
After intervention, the knowledge score of the intervention group (8.9±4.8) was higher than that of the control group (7.6±5.0) and before intervention (7.0±5.0) (t=3.30, 4.91, P < 0.01). After intervention, the current smoking rate (4.0%) in the intervention group was lower than before intervention (8.1%, χ2=5.10), and the number of half or more smoking peers (11.2%) was lower than before intervention(16.7%) (χ2=4.24)(P < 0.05); and there was no statistically significant difference between the control group before and after intervention (χ2=1.49, 0.16, P>0.05). The proportion of holding a negative attitude to school smokers was higher than before intervention (χ2=12.34, P < 0.05), with the proportion of "strongly negative and suggest no smoke around oneself" increasing from 25.1% before intervention to 35.9% after intervention; and the proportion of student who kept a distance from smokers was higher than before intervention (χ2=18.21, P < 0.05), with the proportion of "maintaining a distance of 3 m" increasing from 30.4% before the intervention to 40.1% after the intervention. There was no statistically significant difference in the control group before and after intervention (χ2=3.89, 2.50, P>0.05).
The smoking control intervention at vocational colleges based on social network theory improve the correct tobacco knowledge, attitudes and practice of vocational college students, and reduce the smoking rates.
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| 科 Family | 属数 Number of genus | 种数 Number of species | 占总种数比例 Percentage of total species (%) | 属 Genus | 种数 Number of species | 占总种数比例 Percentage of total species (%) |
|---|---|---|---|---|---|---|
| 鹅膏菌科Amanitaceae | 2 | 11 | 5.26 | 鹅膏菌属 Amanita | 10 | 4.78 |
| 小菇科 Mycenaceae | 2 | 12 | 5.74 | 丝盖伞属 Inocybe | 5 | 2.39 |
| 多孔菌科 Polyporaceae | 8 | 14 | 6.70 | 蜡蘑属 Laccaria | 5 | 2.39 |
| 红菇科 Russulaceae | 3 | 23 | 11.00 | 小皮伞属 Marasmius | 6 | 2.87 |
| 小菇属 Mycena | 11 | 5.26 | ||||
| 光柄菇属 Pluteus | 5 | 2.39 | ||||
| 红菇属 Russula | 17 | 8.13 | ||||
| 栓菌属 Trametes | 5 | 2.39 |
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