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. 2024 Oct 19;183(12):5455–5465. doi: 10.1007/s00431-024-05791-1

Table 3.

Negative binomial regression for sick days as the dependent variable

Variable B p-value RR 95% CI
Lower Upper
Group
  Homoeopathy  − .980 .000 .375 .243 .580
  Conventional # 0 1
Socio-economic class
  Upper  − 1.051 .276 .350 .053 2.315
  Middle  − .254 .478 .776 .385 1.564
  Lower # 0 1
Mother’s age (years)
  19–24 years  − .275 .240 .760 .481 1.201
  25 years and above # 0 1
Mother’s education
  Secondary and above  − .905 .289 .405 .076 2.158
  Primary/high school  − .999 .224 .368 .074 1.841
  Illiterate # 0 1
Mother’s occupation
  Employed .140 .714 1.150 .546 2.423
  Unemployed # 0 1
Father’s education
  Secondary and above  − .359 .161 .699 .423 1.153
  Primary/high school # 0 1
Birthweight (g)
  Below 2500 g  − .019 .969 .981 .371 2.594
  2500 g and above # 0 1
Mode of delivery
  Full-term normal vaginal delivery .119 .608 1.126 .715 1.774
  Caesarean delivery # 0 1
Family structure
  Nuclear family  − .359 .233 .698 .387 1.260
  Joint family # 0 1

95% CI 95% confidence interval, Symbol: # reference