Table 5.

Result of paired observation of VHW-client interaction

Variable	Period	VHWs competent with using the device
Variable	Period	%, n = 118	95% CI	McNemar’s p value
Properly positons the arm of the client before applying the device	Baseline	9	5–13	< 0.001
	End line	95	90–99	< 0.001
Properly applies the device’s cuff to the client’s arm	Baseline	38	30–46	< 0.001
Properly applies the device’s cuff to the client’s arm	End line	95	90–98	< 0.001
Hears the beep sound of the device before pumping the inflation bulb	Baseline	76	67–84	< 0.001
	End line	99	98–100	< 0.001
Stops inflating the bulb after hearing the second beep sound	Baseline	75	67–83	< 0.001
	End line	99	98–100	< 0.001
Can identify the BP readings on the device	Baseline	94	90–98	0.04
Can identify the BP readings on the device	End line	99	98–100	0.04
Understands traffic color on the device and action to take	Baseline	84	78–90	0.04
	End line	93	89–97	0.04
Can define error messages on the device	Baseline	41	33–49	< 0.001
Can define error messages on the device	End line	82	75–88	< 0.001