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Table 3 Univariate and multivariate analyses to detect an association between specific variables and attendance at a session.

From: A randomized trial of mail vs. telephone invitation to a community-based cardiovascular health awareness program for older family practice patients [ISRCTN61739603]

Variable

 

Attending (%)

Univariate analyses OR (95% CI)

Multivariate analyses OR (95% CI)*

Invitation Method

Mail

51 (44.0)

1.0†

1.0†

 

Telephone

86 (72.3)

3.3 (1.9–5.7) ‡

3.9 (2.2–7.0) ‡

Age (min 65 – max 96 yrs)

65–74

58 (58.0)

1.0†

 
 

75+

79 (58.5)

1.0 (0.6–1.7)

 

Gender

Female

72 (59.6)

1.0†

 
 

Male

65 (59.0)

1.1 (0.6–1.8)

 

Diagnosis of Hypertension§

No

76 (63.9)

1.0†

 
 

Yes

60 (56.6)

0.7 (0.4–1.3)

 

Family physician-reported cardiovascular risk factors||

Smoking

87 (61.3)

1.0†

 
  

50 (59.5)

0.9 (0.5–1.6)

 
 

Family history

88 (56.1)

1.0†

1.0†

  

49 (71.0)

1.9 (1.0–3.5) ‡

2.0 (1.0–3.7) ‡

 

High cholesterol

89 (63.1)

1.0†

 
  

48 (56.5)

0.8 (0.4–1.3)

 
 

Diabetes

112 (59.9)

1.0†

 
  

25 (64.1)

1.2 (0.6–2.4)

 
  1. * model based on 226 cases with data from health record review
  2. † reference category
  3. ‡ p < 0.05
  4. § based on 225 cases with data from health record review
  5. || based on 226 cases with data from health record review