No direct exposure to manganese
Exposure to manganese less than 1 hour per day
Exposure to manganese from 1 to 4 hours per day
Exposure to manganese more than 4 hours per day
Not trained
Trained but not related to manganese
Trained about manganese once
Trained about manganese multiple times
Do not use personal protection
Rarely use
Sometimes use
Always use
No symptoms
Symptoms but not frequent
Frequent symptoms but not severely affecting work
Symptoms and seriously affecting work
Never
Yes, but short duration
Yes, long duration
Currently working in such environment
Don't know
Heard about it but never done
Conscious and checked once
Regularly check manganese levels
City tap water
Home well water
Water from streams, rivers, ponds
Water containing manganese
Rarely
Sometimes
Regularly
None
Yes, but unrelated to manganese
Yes, possibly related to manganese
Severe symptoms
Currently undergoing treatment for liver or kidney