More employers are finding reasons not to hire workers on social media. A CareerBuilder survey found that 43 percent of hiring managers who currently research candidates on social media found information that caused them not to hire a candidate — up 9 percentage points from last year.

The survey also found 39 percent of firms use social media sites to research job candidates, up from 37 percent in a study a year ago.

Why reject a candidate based on social media? Here’s what the respondents said:

• Candidate posted provocative/inappropriate photos/info, 50 percent
• There was info about candidate drinking or using drugs, 48 percent
• Candidate bad mouthed previous employer, 33 percent
• Candidate had poor communication skills, 30 percent
• Candidate made discriminatory comments related to race, gender, religion, etc.; 28 percent
• Candidate lied about qualifications, 24 percent

On the other hand, 19 percent of hiring managers said they found something on social media that caused them to hire a candidate:

• Candidate conveyed a professional image, 57 percent
• Got a good feel for candidate’s personality, 50 percent
• Candidate was well-rounded, showed a wide range of interests, 50 percent
• Candidate’s background information supported professional qualifications, 49 percent
• Candidate was creative, 46 percent
• Great communication skills, 43 percent
• Other people posted great references about the candidate, 38 percent

The survey took place from Feb. 11 to March 6 and included more than 2,100 U.S. hiring managers.