我们于1982年春在对佝偻病普遍防治的基础上,于泸州市的部份工厂、农村进行了第三次普查。共查三岁以下乳幼儿1196名,查出各期佝偻病186例,患病率为15.6％,低于防治前1978年患病率(23.7％)和1979年患病率(18.8％)。患病率下降(P<0.001),显示人群防治对本病有积极作用。普查发现与佝偻病发病的有关因素:(1) In the spring of 1982, we conducted a third general survey on some factories and rural areas in Luzhou based on the general prevention and control of rickets. A total of 1196 infants and young children under the age of three were examined. 186 rickets were detected in each period, the prevalence was 15.6%, lower than the pre-treatment prevalence (23.7%) in 1978 and the prevalence in 1979 (18.8%). Prevalence decreased (P <0.001), indicating that the population control has a positive effect on the disease. Census found that the incidence of rickets with the relevant factors: (1)