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Skip search results from other journals and go to results- 6 Journal of Medical Internet Research
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Using α value of 0.05, a sample of 320 (based on 20% loss to follow-up 6 months after discharge), and a 0.5 baseline measure adjustment (correlation of repeated measures), the study has 99% statistical power to detect a 0.3 SD difference in the mean disability score between patients without a supportive environment (ie, those who report facing environmental barriers) compared with those with a supportive environment.
JMIR Res Protoc 2023;12:e40985
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So, the questions are asked in a language that you understand, as such you are able to understand everything very well.
Almost all UGT participants said that the IVR survey questions were administered in a precise and clear voice, which increased their understanding of questions and hence the quality of data collected. They also mentioned that the questions were administered with clear instructions and sufficient time intervals between questions in a chronological manner.
JMIR Form Res 2019;3(4):e15000
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Although the rapid economic growth seen in many low- and middle-income countries (LMICs) has raised living standards and led to a reduction in many diseases of poverty, increased motorization without an increase in traffic enforcement or improvements in road environments has led to a rise in motor vehicle crashes [2-5].
J Med Internet Res 2019;21(5):e13222
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Global connectivity to cellular networks can make large proportions of a population accessible through their mobile phones. In response to the increasing NCD disease burden, the intersecting need for NCD data in LMICs and the near-universal population access to mobile phones in a growing number of countries presents an opportunity for public health.
J Med Internet Res 2017;19(5):e129
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Inherent in this survey modality is the requirement of a literate population, which may be challenging in some LMICs. IVR surveys counter the challenges in SMS surveys by using automated, prerecorded questions. With IVR surveys, respondents interact with a preprogrammed database which contains both questions and a series of preset answers which are linked to a specific numeric key, or numeric response on a touch-tone phone keypad (eg, “Press 1 for Yes”).
J Med Internet Res 2017;19(5):e139
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Due to invalid sequences that are essentially unavoidable in an RDD, the required sample size should be inflated by dividing with a factor 1-Y, which estimates the proportion of nonworking numbers, to yield the number of random mobile phone numbers to be generated. This factor can be determined by first creating a smaller “test” pool of numbers to determine a likely proportion of real numbers through a practice RDD round.
J Med Internet Res 2017;19(5):e121
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In IVR, users interact with a database programmed with questions and a series of pre-recorded answers to the questions, linked to a specific numeric key or numeric response on a touch-tone phone keypad (eg, “Press 1 if you are male, press 3 if you are female”).
The use of MPSs to collect population health estimates in LMICs is in its early stages [5].
JMIR Res Protoc 2017;6(5):e81
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CATI offers the opportunity for a structured questionnaire to be delivered more personably, that is, by a live person who can offer basic clarifications over the phone; however, it is generally more time- and resource-intensive and can suffer from interviewer bias and the previously mentioned social desirability bias.
J Med Internet Res 2017;19(5):e110
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Once NCDs are recognized as a current or emerging priority, a country may commission a situation analysis that would provide an in-depth assessment of the NCD burden, risk factors, and existing policy and programmatic responses. Surveys conducted using mobile phones could potentially play a role in generating population level evidence particularly as it pertains to behavioral risk factors and service utilization.
J Med Internet Res 2017;19(5):e115
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