HIGGINS I T
Br J Ind Med. 1964 Oct;21(4):321-3. doi: 10.1136/oem.21.4.321.
The suggestion that inhalers might on average leave a greater length of cigarette unsmoked was supported in a study of miners and ex-miners aged 35 to 64 years living in the Rhondda Fach. Non-inhalers, detected in an earlier random sample survey, were matched with inhalers, for age, radiological category of pneumoconiosis, and number of cigarettes smoked daily. Cigarette ends were collected for one day from all the men. The ends were measured by one observer who knew nothing about the smoking habits of the men submitting them. In each ten-year age group, the length of unsmoked cigarette was slightly shorter in non-inhalers than in inhalers, and the difference of 1·28 mm. was just significant (p = 0·05). The biological implications of this small difference are discussed.
一项针对居住在朗达法赫（Rhondda Fach）地区、年龄在35至64岁之间的矿工及退休矿工的研究，支持了吸入器平均可能会使未吸食的香烟长度更长这一观点。在早期的随机抽样调查中检测出的非吸入器使用者，与吸入器使用者在年龄、尘肺病的放射学分类以及每日吸烟量方面进行了匹配。从所有男性那里收集了一天的烟头。由一名对提交烟头者的吸烟习惯一无所知的观察者对烟头进行测量。在每个十年年龄组中，非吸入器使用者未吸食香烟的长度略短于吸入器使用者，1.28毫米的差异刚好具有显著性（p = 0.05）。文中讨论了这一微小差异的生物学意义。
