I Have a Data set of 179 , and I Have to analyze it as its a DASS-21

Depression

Anxiety

Stress

So , my concern is

1. Prevalence rates of depression, anxiety, and stress how to calculate with steps

1. What is the r , P- value , Regression analysis

Psychological traits	NO	%
Depression
Mild	21	11.7%
Moderate	53	29.%
Sever	17	9.4%
Extremely sever	29	16.20%
Anxiety
Mild	11	6%
Moderate	32	18%
Sever	31	17%
Extremely sever	67	37%
Stress
Mild	50	28%
Moderate	40	22%
Sever	22	12%
Extremely sever	11	6%
Free of symptoms	153	85%
Stress	56	31%
Anxiety	38	21%
Depression	59	33%

1. Correlation matrix between severities of depression, anxiety, and stress among

	Depression	Anxiety	Stress
	r	p-value	r	p-value	r	p-value
Depression	-	-
Anxiety			--	-
Stress					-	-

and Any static identification of the set of the data , with an explanation of all results