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Table 5 Comparison of changes in risk factor classification by group

From: NHS health checks through general practice: randomised trial of population cardiovascular risk reduction

Risk factor Risk factor at baseline NHS HC only NHS HC plus Overall  
   Risk factor at follow-up
   No Yes No Yes No Yes
High blood pressure No 251 20a 158 14a 409 34a
  Yes 61 33 35 29 96 62
High cholesterol No 149 18a 81 9a 230 27a
  Yes 62 136 56 90 118 226
Smoking No 158 10a 111 3a 269 13a
  Yes 46 151 29 93 75 244
Obese No 271 11 147 6 418 17
  Yes 10 73 9 74 19 147
Central obesity No 189 15 96 5a 285 20a
  Yes 28 123 25 105 53 228
  1. a p < 0.01, McNemar test.
  2. NHS HC – NHS Health Check only; NHS HC plus – NHS Health Check plus additional lifestyle support.