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本文采用无记名问卷，按照《国家教委１９９０年全国体质调研标准》，对天津市区部分高中男生进行了生长发育指标的配比病例对照研究。结果表明，无论是成组还是配对比较，病例与对照差异具有统计学意义；胸围、肺活量与吸烟呈负相关，血压呈正相关；吸烟是影响胸围、肺活量和嗅觉发育的重要因素之一；病例与对照在患病方面亦存在显著性差异。
In this paper, a secret-based questionnaire, in accordance with the “National Board of Education in 1990 national body constitution research standards”, Tianjin city part of the high school boys growth and development indicators matching case-control study. The results showed that there was a significant difference between cases and controls in both group and control groups. Bust and vital capacity were negatively correlated with smoking and positive with blood pressure. Smoking was one of the most important factors influencing bust, vital capacity and olfactory development. There are also significant differences in the control of the disease.