PHQ-9 – Patient Depression Questionnaire

PHQ-9 – Patient Depression Questionnaire

[php]
if ($_POST) {
$a = $_POST[‘1’];
$b = $_POST[‘2’];
$c = $_POST[‘3’];
$d = $_POST[‘4’];
$e = $_POST[‘5’];
$f = $_POST[‘6’];
$g = $_POST[‘7’];
$h = $_POST[‘8’];
$i = $_POST[‘9’];
$var1 = ($a + $b + $c + $d + $e + $f + $g + $h + $i);

if ($var1 < "1") { $result = "No depressive symptoms identified"; } if ($var1 > “0”) {
$result = “Minimal depression”;
}
if ($var1 > “4”) {
$result = “Mild depression”;
}
if ($var1 > “9”) {
$result = “Moderate depression”;
}
if ($var1 > “14”) {
$result = “Moderately severe depression”;
}
if ($var1 > “19”) {
$result = “Severe depression”;
}

echo $result;
echo “*”;
}
[/php]
Over the last two weeks, how often have you been bothered by the following problems?

Little interest or pleasure in doing things :
Feeling down, depressed, or hopeless :
Trouble falling or staying asleep, or sleeping too much :
Feeling tired or having little energy :
Poor appetite or overeating :
Feeling bad about yourself or that you are a failure or have let yourself or your family down :
Trouble concentrating on things, such as reading the newspaper or watching television :
Moving or speaking so slowly that other people could have noticed. Or the opposite being so figety or restless that you have been moving around a lot more than usual :
Thoughts that you would be better off dead, or of hurting yourself :

[pullquote]The PHQ-9 is a validated tool to assess for depression.[/pullquote]

Formula :

Points are given for each variable.

Explanation of Result :

1-4 : Minimal depression
5-9 : Mild depression
10-14 : Moderate depression
15-19 : Moderately severe depression
20-27 : Severe depression

* Please verify all calculations prior to clinical use.