Scandinavian Journal of Work Environment & Health · 2013 · 84 citations · 40 references
The results support the hypothesis that sustained trapezius muscle activity is associated with neck and shoulder pain. This association was strongest analyzing cross-sectional and short-term effects.
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Longitudinal Data Analysis for Discrete and Continuous Outcomes
Scott L. Zeger, Kung‐Yee Liang · Biometrics · 1986 · 7.8K citations
Multiple Imputation after 18+ Years
Donald B. Rubin · Journal of the American Statistical Association · 1996 · 2.9K citations