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The Rhode Island Toddler Wellness Overview Survey (TWOS): An Opportunity for Data Linkages The Rhode Island Toddler Wellness Overview Survey (TWOS) Samara.

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Presentation on theme: "The Rhode Island Toddler Wellness Overview Survey (TWOS): An Opportunity for Data Linkages The Rhode Island Toddler Wellness Overview Survey (TWOS) Samara."— Presentation transcript:

1 The Rhode Island Toddler Wellness Overview Survey (TWOS): An Opportunity for Data Linkages The Rhode Island Toddler Wellness Overview Survey (TWOS) Samara Viner-Brown, MS Rhode Island Department of Health 13 th Annual Maternal and Child Health Epidemiology Conference December 14, 2007

2 ACKNOWLEDGEMENTS Hanna Kim, PhD, Epidemiologist Rachel Cain, PRAMS Coordinator Denise Cappelli, TWOS Coordinator

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4 OUTLINE Background Survey Design and Methodology Data Linkage Weighting Methodology Examples Limitations Advantages

5 Background Rhode Island Population –Total: ~1 million –Births: ~12,500 per year Integrated Child Health Information System: KIDSNET –data from 10 programs serving children RI PRAMS –~ 2,000 (~16% all births) women surveyed annually

6 Why Conduct a Toddler Survey? Little or no data on the health and well-being of children between birth and adolescence PRAMS provides an opportunity for longitudinal analysis Can study the relationship between outcomes of young children and their mothers’ earlier experiences

7 PRAMS Follow-Up Planned to conduct toddler survey when applied to become a PRAMS state (2001) Obtained RI Dept of Health IRB approval for the toddler survey in 2001 RI PRAMS survey asks respondents if they can be contacted again in two years

8 Follow-Up Methodology A reminder letter is sent at the time the child reaches their 1 st birthday –send any new contact information and reconfirm participation (opportunity to opt out) –45% response rate to “birthday letter” and nearly 100% agree to participate PRAMS respondents are transferred to Access database with selected fields –demographics, birth certificate number and PRAMS ID #

9 Survey Design Designed in partnership with RI PRAMS Steering Committee (Toddler Work Group) Questions gathered from multiple sources: –RI PRAMS –Oklahoma TOTS Survey –PEDS Survey –National Indicators Survey Database –Ages and Stages Questionnaire –Other Health Dept surveys (HIS and BRFSS) Final instrument: 58 questions

10 Survey Methodology Survey sent to all PRAMS respondents, except those who asked not to be re-contacted Two mailings, no telephone follow-up $5 incentive with first mailing

11 Associated Costs Development (~$25,000) –Focus groups –Survey design Ongoing (~$50,000/year) –Printing –Postage –Staff –Incentives

12 Survey Topics Health Status/Physical Characteristics (ht/wt) Breastfeeding Oral Health Child Development Behavior/Psychosocial Issues Safety (car seat/tobacco smoke exposure) Insurance Health Care/Specialty Care Child Care Family Planning Maternal Factors (depression, stressors, mobility) Demographics

13 PRAMS-TWOS Linkage PRAMS and TWOS files linked on PRAMS ID# using SAS—merged file SUDANN used for analysis TWOS linked with PRAMS data Total linked population = 1,207

14 Weighting Methodology Three-Step Process: 1.Sample Weights: same as PRAMS 2.Response Weights: Modified PRAMS –Stepwise logistic regression 3.Non-Coverage Weights: same as PRAMS

15 TWOS Response Rates Percent (n = 649) (n = 548)

16 Selected Demographics Among TWOS Respondents 12 Married Single Core Rest Priv Pub None AGE EDUCATION MARITAL RACE ETHNICITY RESID INSURANCE STATUS Percent n = 1, Mar Sing White Blk Hisp Non Core Rest Priv Public

17 DATA LINKAGE EXAMPLES

18 Difficult Pregnancy Experience by Maternal Depression* Among TWOS Respondents Percent p < *Over the past 12 months, have you had two or more weeks in a row when you felt sad, blue or depressed, or lost pleasure in things that you usually cared about or enjoyed?

19 Percent p < 0.05 Difficult Pregnancy Experience by Frequency of Feeling Overwhelmed* Among TWOS Respondents *Over the past 12 months, how often have you felt overwhelmed by the demands of your child or children?

20 Significant relationship between pregnancy experience and mother’s: –Diagnosis of depression –Concerns about child behavior and development –Rating of child’s general health Examples of Other Analyses TWOS

21 Examples of Other Analyses Significant relationship between birth outcome, e.g., birth weight and gestational age (PRAMS/birth certificate) with toddler’s: –General health –Specialty care –EI enrollment –Hospitalizations –Child developmental & behavioral index –Parent’s concerns re: development TWOS

22 Limitations Loss of potential respondents due to attrition Sensitivity of topics Certain topics only captured with single question Different interpretations of questions by respondents Problems with generalizations (e.g., marital status = no support)

23 Limitations (continued) Small sample sizes can limit interpretation/ significance Response rate lower than desired, which impacts “n” sizes (certain populations are more difficult to reach) PRAMS-TWOS linkage: –Different methodologies –Different questions or variations of questions

24 Advantages of a Toddler Follow-Up Survey (TWOS) Provides an opportunity to better understand the relationship between behaviors and experiences during the perinatal period that can influence the well- being of mother and child later in life Data can be linked to other data sets (e.g., PRAMS, Vital Records, KIDSNET (RI’s integrated child health information system) for longitudinal analyses

25 Samara Viner-Brown, MS Chief, Data and Evaluation Division of Community, Family Health & Equity Rhode Island Department of Health


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