| http://www.w3.org/ns/prov#value | - CHIS is a population-based random-digit dial telephone survey conducted every other year since 2001 among residents of California.22 CHIS employs a multi-stage sampling design to ensure that minority subgroups and rural populations in California are represented in the data.22 The 2005 CHIS was administered in five languages, including English, Spanish, Chinese (Cantonese and Mandarin), Korean, and
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