TABLE VI

Initial risk factor values among subjects on recruitment to intervention group according to whether they returned at one year

MenWomen
Returned at one yearDid not return at one yearPooled difference (SE)*Returned one yearDid not at return at one yearPooled difference (%)*
No (%) of subjects1767 (88)244 (12)1217 (85)208 (15)
Mean age (years)50.549.90.7 (0.5)48.247.70.4 (0.5)
Coronary heart disease5.43.33.3 (1.3)1.30.50.8 (1.2)
Diabetes2.31.21.7 (1.1)0.90.50.9 (1.2)
High blood pressure14.516.40.8 (2.7)14.59.66.6 (2.4)
High cholesterol8.34.15.9 (1.4)3.82.41.7 (1.3)
No (%) of subjects who
smoked cigarettes22.241.8-19.0 (3.4)19.438.9-18.1 (4.5)
Mean blood cholesterol5.600.03(0.08)5.505.53-0.01(0.11)(mmol/l)5.67
Mean blood pressure (mm Hg):
Systolic138.9140.7-0.9 (1.5)129.4129.41.8 (1.5)
Diastolic87.188.6-1.2 (0.8)81.682.10.1 (0.8)
Mean weight (kg)79.981.7-1.7 (0.8)65.968.1-1.9 (1.2)
Median blood glucose (mmol/l)5.425.450.02(0.08)5.275.300.06(0.07)
  • *Differences calculated for each town separately and then pooled over 13 towns.

    Pooled differences are therefore not exactly equal to difference in two values.