2.3. Statistical analysis

TB Tetyana Bureychak
ÅF Åshild Faresjö
JS Jenny Sjödahl
AN Anna‐Karin Norlin
SW Susanna Walter
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The results are presented as a median for continuous data with non‐normal distribution and frequency count and percentage for ordinal data. Normality distribution of data was tested with the Shapiro–Wilk test. Significance of association was measured by chi‐square test for categorical variables. Mann–Whitney U‐test was used for group comparisons of not normally distributed interval data. Statistical significance was accepted at a level lower than 5% (p < 0.05) for both tests.

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