A focus group study to understand biases and confounders in a cluster randomized controlled trial on low back pain in primary care in Norway
Abstract Background Cluster randomized controlled trials are often used in research in primary care but creates challenges regarding biases and confounders. We recently presented a study on low back pain from primary care in Norway with equal effects in the intervention and the control group. In ord...
| Main Authors: | , , , |
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| Format: | Article |
| Language: | English |
| Published: |
BMC
2018-05-01
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| Series: | BMC Family Practice |
| Online Access: | http://link.springer.com/article/10.1186/s12875-018-0759-9 |