Those who answered ‘yes’ were asked to indicate the

locat

Those who answered ‘yes’ were asked to indicate the

location of their pain, which was noted by DH on a diagram of the body included in the questionnaire. Crizotinib The lower limb was divided into the following regions: hip, knee, ankle, foot, anterior upper leg, posterior upper leg, anterior lower leg, and posterior lower leg. A medical expert with local language skills performed monitoring visits throughout data collection to ensure questions were being translated correctly. Then, an observation walk was conducted with the village leader and village health worker. This involved walking through the village and surrounding farmlands, and listing the presence of factors that could contribute to lower limb pain. Villagers were included if they were over 15 years old. In each village, a minimum of 26 people were interviewed. If the household containing the 26th person had

further eligible people, these people were also interviewed. In order to detect a prevalence of lower limb pain of 20%, with 80% power, a p value of 0.05, and taking into account the effect of cluster sampling (design factor = 2), the required sample size was 492. Data were analysed by PI3K Inhibitor Library nmr calculating proportions for data not derived from simple random samples. In order to examine the pattern of lower limb musculoskeletal pain further, the group was divided by age (people aged 15 to 49 years vs those 50 years or older) and by gender. Point and 12-month prevalence were calculated for each of these subgroups. MycoClean Mycoplasma Removal Kit The effect of cluster sampling was taken into account when calculating the confidence intervals. Odds ratios (95% CI) were calculated for the differences between gender and age. Information from the observation walks was grouped into common themes by the researchers, village leaders, and health workers. Factors that may contribute to the prevalence of lower limb musculoskeletal pain are reported descriptively. In total, 499 people aged 15 years or over were interviewed across 19 villages.

All people visited agreed to participate, and their characteristics are presented in Table 1. Of the participants 307 (62%) were female. The mean age of females was 43 years (SD 16) and of males was 42 years (SD 16). When stratified by decade, the most common age group was 30 to 39 years. The point prevalence of lower limb pain was 40% (95% CI 34 to 46). The point prevalence of knee pain was 25% (95% CI 20 to 30) which was significantly higher than pain at any other site in the lower limb. There was no significant difference between the other sites in point prevalence of pain. The twelve-month prevalence was only marginally higher at 48% (95% CI 42 to 54) for lower limb pain and similar at 29% (95% CI 23 to 35) for knee pain. The odds of females having current ankle pain were 1.9 (95% CI 1.0 to 3.5) times that of males (Table 2).

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