diff --git a/docx2everything/converters/markdown_converter.py b/docx2everything/converters/markdown_converter.py
index 0ff408f..f32470a 100644
--- a/docx2everything/converters/markdown_converter.py
+++ b/docx2everything/converters/markdown_converter.py
@@ -65,6 +65,22 @@ def get_heading_level(pStyle_val, styles_info=None):
     return None
 
 
+def is_on_off_enabled(elem):
+    """
+    Returns the effective value of an OpenXML CT_OnOff element.
+
+    Missing w:val defaults to true; explicit 0/false/off disables it.
+    """
+    if elem is None:
+        return False
+
+    val = elem.get(qn('w:val'))
+    if val is None:
+        return True
+
+    return val.strip().lower() not in ('0', 'false', 'off')
+
+
 def parse_run_to_markdown(r_elem, hyperlinks=None, images=None, img_dir=None, zipf=None, link_url=None, footnotes=None, endnotes=None):
     """
     Converts a text run (<w:r>) to markdown with formatting.
@@ -161,8 +177,7 @@ def parse_paragraph_to_markdown(p_elem, numbering_info=None, hyperlinks=None, im
     has_page_break = False
     if pPr is not None:
         page_break_before = pPr.find(qn('w:pageBreakBefore'))
-        if page_break_before is not None:
-            has_page_break = True
+        has_page_break = is_on_off_enabled(page_break_before)
     
     # Check for section break
     has_section_break = False
diff --git a/tests/test_markdown_pagebreak.py b/tests/test_markdown_pagebreak.py
new file mode 100644
index 0000000..bd11df9
--- /dev/null
+++ b/tests/test_markdown_pagebreak.py
@@ -0,0 +1,57 @@
+import xml.etree.ElementTree as ET
+
+from docx2everything.converters.markdown_converter import parse_paragraph_to_markdown
+
+
+W_NS = "http://schemas.openxmlformats.org/wordprocessingml/2006/main"
+
+
+def paragraph_with_page_break_before(value_marker):
+    value_attr = "" if value_marker is None else f' w:val="{value_marker}"'
+    xml = f"""
+    <w:p xmlns:w="{W_NS}">
+      <w:pPr>
+        <w:pageBreakBefore{value_attr}/>
+      </w:pPr>
+      <w:r><w:t>Body text</w:t></w:r>
+    </w:p>
+    """
+    return ET.fromstring(xml)
+
+
+def test_page_break_before_val_zero_is_disabled():
+    paragraph = paragraph_with_page_break_before("0")
+
+    markdown = parse_paragraph_to_markdown(paragraph)
+
+    assert "<!-- Page Break -->" not in markdown
+    assert markdown == "Body text"
+
+
+def test_page_break_before_without_val_is_enabled():
+    paragraph = paragraph_with_page_break_before(None)
+
+    markdown = parse_paragraph_to_markdown(paragraph)
+
+    assert markdown.startswith("<!-- Page Break -->")
+    assert markdown.endswith("Body text")
+
+
+def test_page_break_before_true_values_are_enabled():
+    for value in ("1", "true", "on"):
+        paragraph = paragraph_with_page_break_before(value)
+
+        markdown = parse_paragraph_to_markdown(paragraph)
+
+        assert markdown.startswith("<!-- Page Break -->")
+        assert markdown.endswith("Body text")
+
+
+def test_page_break_before_false_values_are_disabled():
+    for value in ("false", "off"):
+        paragraph = paragraph_with_page_break_before(value)
+
+        markdown = parse_paragraph_to_markdown(paragraph)
+
+        assert "<!-- Page Break -->" not in markdown
+        assert markdown == "Body text"