HighlightsThe study population shows high prevalence of neck pain.The factors were widowed, income, educational level, sitting posture and diseases.Prevention should emphasize sociodemographic, behavioral, and ergonomic factors.

Objective: To compare men and women with low back pain and identify the prevalence and some of its associated factors in a population-based sample of adults aged 20 and over a seven day period. Methods: Cross-sectional study based on a population survey. 600 individuals were interviewed on the following: (1) characteristics of the participants (i.e. demographic, socioeconomic, and labor aspects); (2) physical activity level (IPAQ); (3) musculoskeletal symptoms (Nordic Questionnaire). Descriptive, bivariate, and Poisson regression analyses were performed. Results: Overall prevalence of LBP was 28.8%, being 39.0% in men and 60.9% in women. The measured associated factors in men were age between 36 and 59 years (PR = 3.

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Musculoskeletal pain in the shoulder is considered one of the most prevalent causes of pain and disability in adults. To verify the prevalence of shoulder pain and correlated factors in adults aged 20 years or older in cross-sectional study with 600 individuals interviewed through questionnaires: (1) participants characterization; (2) level of physical activity; (3) reported morbidities; and (4) musculoskeletal symptoms. Descriptive, bivariate, and Poisson regression analyses were performed. The prevalence of pain in the shoulder was 24% (CI 20.3%-27.5%). Being 60 years or older (PR=2.14; 1.33-2.45), female (PR=1.92; 1.29-285), using the computer more than three times a week (PR=1.55; 1.01-2.32), working in a sitting position (PR=1.64; 1.03-2.59), standing up leaning the body forward (PR=1.54; 1.00-2.37), and reporting two or more morbidities (PR=3.31; 1.97-5.57) were all indicators of shoulder pain. This study discloses a high prevalence of shoulder pain and a strong relation with women, age, those who use the computer more than three times a week, those who execute occupational activities sitting and standing up leaning the body forward, and those who report two or more diseases.

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BACKGROUND: Neck pain is a major public health problem. OBJECTIVE: The aim of the present study was to determine the prevalence of neck pain among high school students and to analyze associations with sociodemographic variables, use of electronic devices, habitual physical activity practices and mental health problems. DESIGN AND SETTING: Cross-sectional epidemiological study on a sample of high school students in the city of Bauru, São Paulo, Brazil. METHOD: Participants were selected through cluster sampling in two stages and data were collected via face-to-face interviews. Data collection comprised the following steps: 1. sociodemographic characteristics; 2. use of electronic devices; 3. habitual physical activity levels; 3. mental health; and 4. neck pain. RESULTS: A total of 1,628 participants were interviewed. The prevalence of neck pain was 49.1% (95% confidence interval, CI 46.7 to 51.5), with 40.4% (95% CI 37.0 to 43.7) in men and 57.5% (95% CI 54.2 to 60.9) in women. The variables associated with in neck pain were: female (prevalence ratio, PR = 2.04), use of cell phone in standing posture (PR = 1.47), use of tablet in sitting posture (PR = 1.72), length of computer use greater than 3 hours/day (PR = 1.54), length of cell phone use greater than 3 hours/day (PR = 1.54), length of tablet use greater than 3 hours/ day (PR = 1.34) and mental health problems (PR = 1.56). CONCLUSION: There is high prevalence of neck pain among students and striking associations with female sex, use of electronic devices and mental health problems.Neck pain and associated factors in a sample of high school students in the city of Bauru, São Paulo, Brazil: cross-sectional study | ORIGINAL ARTICLE

INTRODUÇÃO: A dor cervical é uma condição musculoesquelética com alta prevalência que pode afetar os aspectos físicos, sociais e psicológicos dos indivíduos, contribuindo para o aumento de custos na sociedade e nos negócios. OBJETIVOS: Determinar a prevalência de dor cervical e analisar a associação com variáveis sociodemográficas e dispositivos eletrônicos. MÉTODOS: Foi realizado um estudo observacional transversal com uma amostra de 1143 universitários, que responderam ao questionário sobre aspectos sociodemográficos, uso de dispositivos eletrônicos e o questionário nórdico. Foram realizadas análises descritivas, bivariadas e de regressão de Poisson. RESULTADOS: A prevalência de dor cervical foi de 66,7% (IC 63,8 a 69,3), sendo que, 57,6% (IC 52,9 a 62,1) em homens e 72,3% (IC 68,8 a 79,4) em mulheres. Na análise ajustada, o sexo feminino (RP = 1,92, 1,49-2,47), tempo de uso da TV acima de 3 horas por dia (RP = 1,35; 1,05 - 1,79), tempo de uso do computador acima de 3 horas por dia (RP = 1,41; 1,08 - 1,85), tempo de uso de videogame acima de 3 horas por dia (RP = 1,42; 1,02 - 1,97), uso do tablet à distância do olho na tela acima de 20 cm (RP = 1,08, 1,01 - 1,17), postura deitada no uso do celular (RP = 1,67, 1,04 - 1,72), postura semi-deitada no uso do celular (RP = 1,28; 1,02 - 1,65), postura sentada no uso do tablet (RP = 1,54; 1,03 - 2,38), postura deitada no uso do tablet (RP = 1,83; 05 - 3,18) e usar o tablet por duas ou mais horas por dia (RP = 2,28, 1,15 - 4,49) permaneceu associado à dor cervical. CONCLUSÃO: Existe alta prevalência de dor cervical em estudantes universitários e associação marcante com o sexo feminino e com o uso de dispositivos eletrônicos.

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