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Table 3  Pre-Post Knowledge Differences by Healthcare Provider Cadre (Provider Interviews)

From: Effectiveness of instructional videos for enhancing healthcare provider competencies for hypertension management – a pre-post study in primary healthcare settings, Tanzania

Provider Knowledge Components

Assistant Medical Officer/Medical Officer

(N=11)

Assistant clinical officer/clinical officer

(N=22)

Total

(N=33)

 

Pre

(n=11)

Post

(n=11)

Pre

(n=22)

Post

(n=22)

Pre

(n=33)

Post

(n=33)

Training

Previous in-service training for HT

3(27.3)

11(100)***

7(31.8)

22(100)***

10(30.3)

33(100)***

Type of training received

 Risks and complications of HT

2(66.7)

10(90.9)

2(28.6)

20(90.9)**

4(40.0)

30(90.9)**

 Treatment for HT

1(33.3)

11(100)*

5(71.4)

20(90.9)

6(60.0)

31(93.9)*

 Patient preparation prior to BP measurement

1(33.3)

11(100)*

2(28.6)

22(100)***

3(30.0)

33(100)***

 Patient monitoring and counselling

1(33.3)

10(90.9)

2(28.6)

19(86.4)**

3(30.0)

29(87.9)**

Knowledge awareness

 Have adequate knowledge about HT

9(81.8)

11(100)

17(77.3)

22(100)*

26(78.8)

33(100)**

 Have adequate skills for BP measurement

10(90.9)

11(100)

19(86.4)

21(95.5)

29(87.9)

32(97.0)*

 Correct cut off for HT Diagnosis (140/90)

9(81.8)

10(90.9)

14(63.6)

22(100)

23(69.7)

32(97.0)

 BP threshold for patients with diabetes, cardiac or renal impairment should not exceed 130/80

3(27.3)

11(100)***

4(18.2)

21(95.5)**

7(21.2)

32(97.0)***

 HT management is lifelong

7(63.6)

11(100)*

20(90.9)

22(100)

27(81.8)

33(100)*

 Consequences of HT (heart attack, stroke, death)

11(100)

10(90.9)

22(100)

22(100)

33(100)

32(97.0)

 HT Management goal – Reduce SBP/DBP to 140/90

10(90.9)

9(81.8)

18(81.8)

21(95.5)

28(84.8)

30(90.9)

 Effective treatment can reduce the risk of heart attack, stroke, and death

11(100)

10(90.9)

21(95.5)

22(100)

32(97.0)

32(97.0)

 Correct definition of HT

11(100)

11(100)

21(95.5)

21(95.5)

32(97.0)

32(97.0)

 HT often shows no symptoms

7(63.6)

10(90.9)

10(45.5)

18(81.8)*

17(51.5)

28(84.8)**

 BP seasonal variations; time of day, season, physical activity

8(72.7)

7(63.6)

9(40.9)

16(72.7)

17(51.5)

23(69.7)

 Heart attack definition

9(81.8)

10(90.9)

15(69.2)

20(90.9)

24(72.7)

30(90.9)

 BP Screening Standards: back and feet supported, feet uncrossed, cuff placement - midpoint upper arm wrap cuff snugly on bare arm/light clothing -ensure 2 fingers can slip at bottom edge, arm rested on flat surface, rest 2-5m before measuring BP

8(72.7)

10(90.9)

15(68.2)

21(95.5)*

23(69.7)

31(93.9)*

 Patient sitting quietly during BP measurement does not cause error in reading

8(72.7)

8(72.7)

7(31.8)

20(90.9)**

15(45.5)

28(84.9)*

 Correct recording for BP

8(72.7)

6(54.6)

13(59.1)

15(68.2)

21(63.6)

21(63.6)

 Correct cuff deflation rate 2mmHG/sec

7(63.6)

9(81.8)

9(40.9)

17(77.3)

16(48.9)

26(78.8)*

 Brachial artery for measuring BP

8(72.7)

7(63.6)

15(68.2)

17(77.3)

23(69.7)

24(72.7)

 Correct cuff application determined by placing 2 fingers under bottom edge of cuff

8(72.7)

11(100)

21(95.5)

22(100)

29(87.9)

33(100)

 Correct placement of BP cuff – bottom of cuff placed above the bend of the elbow

6(54.6)

7(63.6)

11(50.0)

14(63.6)

17(53.1)

21(63.6)

 Recommended time between BP readings 1-2min

3(27.3)

8(72.7)

6(27.3)

16(72.7)*

9(28.1)

24(72.7)**

 Correct patient positioning does not include holding arm up in the air

8(72.7)

7(63.6)

14(63.6)

22(100)**

22(66.7)

29(87.9)

 Importance of ensuring patient did not smoke, exercise, or drink a caffeinated beverage 30 minutes before BP measurement

8(72.7)

7(63.6)

18(81.8)

19(86.4)

26(78.8)

26(78.8)

 HT counseling does not include stopping medication if traditional herbs are used

3(27.3)

4(36.4)

6(27.3)

3(13.6)

9(27.3)

7(21.2)

 Recommended intake of salt/day for patients with HT (5g or 1tsp)

11(100)

10(90.9)

20(90.9)

21(95.5)

31(96.9)

31(96.9)

 Strategies to control HT: Maintain healthy lifestyle, reduce salt intake, regular BP medication, regular follow up with provider

11(100)

11(100)

19(86.4)

22(100)

30(90.9)

33(100)

 Lifestyle changes to control HT; Reduce dietary salt <5g/day, daily consumption of fruit/vegetables, reduce tobacco products, lose weight, regular exercise, avoid/limit alcohol

3(27.3)

10(90.9)**

9(40.9)

22(100)

12(36.4)

32(97.0)***

 The most that healthy diets can reduce SBP is 2mmHg

9(81.8)

8(72.7)

14(63.6)

17(77.3)

23(69.7)

25(75.8)

Tanzania Treatment Guidelines for HT

 Aware of Tanzania Treatment Guidelines

8(72.7)

10(90.9)

17(77.3)

20(90.9)

25(75.8)

30(90.9)

 Ministry guidelines for 3 readings of BP - minimum of 2 days apart of 2 months and >140/90

9(81.8)

9(81.8)

21(91.5)

19(86.4)

30(90.9)

28(84.8)

 Protocol for HT pt follow up (1-3m, every 6m)

10(90.9)

6(54.6)

17(77.3)

21(95.5)

27(84.4)

27(84.4)

 Minimum of 2 BP readings at 1st visit to confirm HT

3(27.3)

7(63.6)

4(18.2)

14(63.6)**

7(21.2)

21(63.6)**

 Treatment for HT; lifestyle modification and medicines

11(100)

11(100)

22(100)

22(100)

33(100)

33(100)

Aware of first line antihypertensives based on national protocol

 Thiazides

9(81.8)

9(81.8)

9(40.9)

15(68.2)

18(54.6)

24(72.7)

 Beta-Blockers

3(27.3)

5(45.5)

13(59.1)

13(59.1)

16(48.5)

18(54.6)

 Calcium Channel Blockers

5(45.5)

6(54.6)

10(45.5)

12(54.6)

15(45.5)

18(54.6)

 ACE Inhibitors

1(9.1)

5(45.5)

8(36.4)

8(36.4)

9(27.3)

13(39.4)

 Blockers (ARBs)

1(9.1)

1(9.1)

2(9.1)

2(9.1)

3(9.1)

3(9.1)

  1. *p-value<0.05, **p-value<0.01, ***p-value<0.001