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Table 1 Baseline characteristics and completeness of follow-up (second screening). Significance levels from multiple regression models.

From: Mid-term Body Mass Index increase among obese and non-obese individuals in middle life and deprivation status: A cohort study

Baseline characteristic Women (n = 21,976) Men (n = 19,158)
  Initial screen only Two screens p Initial screen only Two screens p
Mean age (years) 44.5 44.9 <0.001 44.3 44.7 <0.001
% current smokers 39.9 36.4 0.018 53.4 48.0 <0.001
% with SBP>140 mmHg 25.5 18.2 <0.001 33.2 24.8 <0.001
% with DBP>90 mmHg 15.3 9.4 * 23.9 17.0 *
% cholesterol > 6.5 mmol/l 25.5 22.6 0.019 36.7 29.8 <0.000
% BMI >30 kg/m 2 17.7 11.7 <0.000 15.9 11.9 0.001
% in the two most deprived groups (4 and 5) 43.6 37.3 <0.001** 42.7 36.8 <0.001**
  1. SBP: Systolic Blood Pressure; DBP: Diastolic Blood Pressure
  2. *Significant in multiple logistic regression model excluding SBP but omitted from presented model to avoid over-adjustment, as highly correlated with SBP.
  3. ** Deprivation group (quintile) entered as a continuous variable.