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Table 3 Prevention and screening actions by randomization group and strata (Mean ± SD)

From: Improving chronic disease prevention and screening in primary care: results of the BETTER pragmatic cluster randomized controlled trial

 

Control

PF only

PP only

PF/PP

P value*

All patients; N

183

150

209

235

 

Eligible actions

9.1 ± 3.4

8.5 ± 3.2

8.9 ± 3.2

9.2 ± 3.1

0.57

Actions met

1.9 ± 1.8

2.6 ± 2.3

4.7 ± 2.7

5.3 ± 2.6

<0.001

SQUID

21.0 ± 17.5

28.4 ± 23.6

53.6 ± 26.0

58.4 ± 23.8

<0.001

Adjusted SQUID

23.1 (19.2 – 27.1)

28.5 (20.9 – 36.0)

55.6 (49.0 – 62.1)

58.9 (54.7 – 63.1)

 

Stratum 1:

     

General health patients: N

119

107

129

158

Eligible actions

8.9 ± 3.3

8.4 ± 3.1

8.5 ± 3.0

9.0 ± 3.0

0.80

Actions met

1.9 ± 1.7

2.7 ± 2.3

4.8 ± 2.5

5.3 ± 2.5

<0.001

SQUID

21.5 ± 16.8

30.3 ± 24.1

57.7 ± 25.1

59.7 ± 23.4

<0.001

Adjusted SQUID

23.5 (19.3 – 27.7)

31.6 (22.9 – 40.4)

60.0 (52.8 – 67.2)

60.3 (55.6 , 65.1)

 

Stratum 2:

     

Mental health patients; N

64

43

80

77

Eligible actions

9.5 ± 3.5

8.8 ± 3.4

9.6 ± 3.3

9.6 ± 3.5

0.56

Actions met

1.9 ± 1.8

2.4 ± 2.2

4.5 ± 2.9

5.3 ± 2.9

<0.001

SQUID

20.1 ± 18.7

23.6 ± 21.7

47.1 ± 26.2

55.7 ± 24.8

<0.001

Adjusted SQUID

21.0 (13.3 – 28.8)

21.3 (11.9 – 30.6)

46.6 (39.4 – 53.7)

57.0 (52.3 – 61.7)

 
  1. PF: Practice Facilitator (practice-level intervention).
  2. PP: Prevention Practitioner (patient-level intervention).
  3. PF/PP: Combined practice-level and patient-level intervention.
  4. SQUID: Summary Quality Index defined is the ratio of the number of CDPS actions met according to pre-defined targets to the number of actions for which the patient was eligible.
  5. *P values are based on two-sided Generalized Score Tests for equality of means across 4 groups.
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BMC Primary Care

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