Although Sen. Barack Obama’s lead over Republican candidate John McCain has reached double-digits in some states, the Democratic candidate has yet to convince Christian conservatives, according to survey by Crosswalk.com this week.

In contrast to national polls, McCain’s support jumped from 80 percent a month ago to 83 percent this week among more than 1,000 Crosswalk.com users. Obama’s support dropped just slightly from 13 percent to 12 percent.

Users also rated their opinion of vice presidential candidate Gov. Sarah Palin higher than a month ago, again at variance with national media coverage. About 20 percent said they favored her more as a candidate than they did a month ago, with only two percent saying they no longer support her as a candidate.

The survey differs with the latest Pew Research survey’s findings, which showed support for McCain slipping among Christian evangelicals. McCain voters dropped from 74 percent to 65 percent in the last three weeks, while Obama gained four percentage points for 22 percent.

Across ethnicity lines, Caucasian Christians proved to be McCain’s most stable supporters, holding constant at 88 percent from last month until today in Crosswalk.com's surveys. The Republican ticket made further headway among Hispanic Christian, earning an additional eight points to garner almost 82 percent of the vote.

The Democratic ticket continued its trend among African American Christians with 77 percent of the vote.

This survey was sent by email to Crosswalk.com subscribers and was not an online poll.