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Table 2 Meta regression a of suspected variables of heterogeneity in univariate and multivariate models

From: Determination of the social related factors of suicide in Iran: a systematic review and meta-analysis

Variables Univariate Multivariate
β P-value β P-value
Sample size 0.00002 0.44 0.0001 0.02
Climate b −0.02 0.45 −0.05 0.06
Year of study −0.01 0.04 −0.01 0.14
Men ratio −0.19 0.04 −0.10 0.34
Study population c 0.07 0.19 −0.05 0.35
STROBE score −0.01 0.17 −0.01 0.12
  1. a. Moment base method.
  2. b. Variables code includes: 1. Caspian sea coast; 2. Central plateau mountains; 3. Central plateau foothills; 4. Central plateau desert.
  3. c. Alive people (non-fatal suicide), deceased people (fatal suicide), and both.