Therefore, each source is reported as its own binary outcomevariable (yes vs. no); we report only sources that were used byat least 10% of the survey participants. We also combinedfamily and friend/coworker, as these are similar concepts forsocial support; this combined variable is also reported as abinary variable (yes for either family or friend/coworker vs. nofor either).In addition, we report participants’ preferences for howproviders deliver health information (question A3 in SDC 1,http://links.lww.com/MLR/B681). Each information sourcewas its own binary outcome variable (yes vs. no), and weagain only report sources preferred by at least 10% of surveyparticipants.Statistical Anal